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What does a positive test look like?
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What does a positive test look like?
A colored line should always appear in the Control (C) region and another line should be in the Test (T) region. Jun 27, 2024 · Changes in COVID-19 test positivity within a week Based on data collected by the CDC it showed that five states had the biggest increase of 2. Jun 21, 2024 · Steps to take after receiving a positive COVID-19 test include calling your healthcare provider, starting treatments if necessary, staying home and recovering, keeping away from others, wearing a mask, and getting vaccinated after an appropriate time has passed. Day 0 is the day the sample was collected for a positive test result. Take appropriate steps to care for yourself. It can take from 2 to 6 weeks. It works best when started within two days after you first. For high-risk patients, a small red bump at the site of puncture is conside. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. Potential benefits include: The results, along with other information, can help your healthcare provider make informed recommendations about your care. There is a very small chance. Take steps to prevent spreading COVID-19. A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you're pregnant. Bacteria that produce lipase will hydrolyze the olive oil and produce a halo around the bacterial growth. Guide for at-home COVID-19 self-testing and repeat testing to know when to test, how many times, what your test results mean, and what you should do next. Contents Overview Test Details. The information obtained can help evaluate whether you are at increased risk. Learn about the procedure, its risks, and what the results mean. Take steps to prevent spreading COVID-19. This condition can also mimic the symptoms of MS. This follow-up specimen should be collected within 24 hours of the original test, if possible, and no more than 48 hours after the antigen test. Jan 25, 2022 · If you test positive for COVID-19 and never develop symptoms, commonly referred to as being asymptomatic, isolate for at least five days and wear a mask around others at home. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. A tiny amount of a substance called tuberculin is injected just below the skin on the inside of one forearm. But why is this - and how ca. Jun 24, 2024 at 10:41 AM. “That’s not really a major sign anymore,” Furr said Jun 24, 2024 · GreenEyedMom0f2. Take appropriate steps to care for yourself. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. You or your test provider must report this test result to the NHS Mar 17, 2022 · A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Jun 27, 2024 · Given the array of possible Covid symptoms, it may be difficult to know when to take a test. It looks for tiny traces of blood that you might not be able to see and which could be a sign of bowel cancer. A positive result indicates detection of SARS-CoV-2 antigens in the sample. This means you probably have TB germs in your body. It holds the instructions, called genes, that tell cells what to do. There is a very small chance. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. Jun 24, 2024 at 10:41 AM. Will I need to do anything to prepare for the test? Mononucleosis (Mono) Tests It is possible that this test can give a positive result that is wrong (a false positive result). A chlamydia test detects the bacteria that cause chlamydia, a sexually transmitted infection (STI). If your result comes back positive, you must report this test result to the NHS. Testing for group A strep bacteria helps healthcare providers diagnose and treat the illness. What does it mean if I have a positive test result? If you have a positive test result, it is very likely that you have COVID-19 because proteins from the virus that causes COVID-19 were found in your sample. COVID-19 Positive (SARS-CoV-2 RNA Detected) Test Result. What Does a Positive Test Look Like? A positive test will show the presence of two or more of these type-1-indicating antibodies, says certified diabetes educator Gary Scheiner, the owner of. There is a very small chance that this test can give a positive result that is incorrect. Take appropriate steps to care for yourself. For example, aldehydes are stated to give a positive result in the bromine test, which is when the compound turns the orange bromine solution clear38. “That’s not really a major sign anymore,” Furr said GreenEyedMom0f2. While there are many factors that can cause a line on a COVID test to be faint or hardly visible, the safe bet is to assume that any line on a test means you're positive and that you need to take precautions to avoid spreading the virus to others. Possible results are: Positive: means that you have HIV infection. A gonorrhea test involves testing a fluid sample from the part of your body that might be infected. And tests may give false negatives if taken too early. Jun 21, 2024 · Steps to take after receiving a positive COVID-19 test include calling your healthcare provider, starting treatments if necessary, staying home and recovering, keeping away from others, wearing a mask, and getting vaccinated after an appropriate time has passed. In most cases, the panel includes four different cholesterol measurements and a measurement of your triglycerides. If only one line appears on the device, the result is negative or invalid Mar 18, 2024 · Positive viral test results indicate current, or sometimes recent, infection and the person with COVID-19 should follow CDC recommendations for isolation. An ECG stress test monitors your heart's electrical activity during exercise. A positive test is highly specific for bacterial infection, but a negative test does not exclude infection, giving this test low sensitivity. You or your test provider must report this test result to the NHS Mar 17, 2022 · A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Jun 27, 2024 · Given the array of possible Covid symptoms, it may be difficult to know when to take a test. Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. In today’s competitive job market, finding the right candidate for a position can be a challenging task. Each panel will have its own Control Region (C) marked at the top, and a Test Region (T) specific to the drug being tested. Acknowledging the positives is a way to remember all that is good about life. Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. Genetic testing takes a sample of your blood, skin, hair, tissue or amniotic fluid. A Gram stain is a test that checks for bacteria at the site of a suspected infection or in certain body fluids, such as blood or urine. Abnormal Pap test results include What does a positive Covid test look like? The result of a lateral flow test is determined by the letters 'C' and 'T', which sit above the 'S' section at the bottom where your sample goes. Drug testing, commonly used in health care, workplace, and criminal settings, has become widespread during the past decade. CSF is a clear liquid that flows in and around your brain and spinal cord. But sometimes a faint line can be the spot where your urine evaporated from the stick. Any visible pink/purple Sample Line, even faint, designates a positive result. These tests can use either your pee or blood to look for HCG. As summer heats up, a new set of COVID variants is fueling an uptick in cases and emergency room visits across much of the country. There are two types of viral tests: laboratory tests (sometimes called polymerase chain reaction [PCR] tests), and rapid tests that detect portions of. The BRCA gene test looks for DNA changes that increase the risk of breast cancer and ovarian cancer. Jun 27, 2024 · Changes in COVID-19 test positivity within a week Based on data collected by the CDC it showed that five states had the biggest increase of 2. “That’s not really a major sign anymore,” Furr said Jun 24, 2024 · GreenEyedMom0f2. There is a very small chance. But expert guidelines now discourage such "just in case" stress testing. Sep 25, 2023 · So, how will you know if the test is positive, though? Here are some photos of positive Covid test results to help you read your result. Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. Aug 24, 2021 · A positive test means you likely have COVID-19. May 2, 2024 · A positive COVID-19 test means the virus was detected and you have or recently had an infection. A gonorrhea test looks for signs of gonorrhea bacteria in a sample of fluid from your body. Potential benefits include: The results, along with other information, can help your healthcare provider make informed recommendations about your care. The test can be done on your urine, saliva, blood, hair, or sweat. Cardiac computed tomography (CT) for Calcium Scoring uses special x-ray equipment to produce pictures of the coronary arteries to determine if they are blocked or narrowed by the buildup of plaque – an indicator for atherosclerosis or coronary artery disease (CAD). But how do positive moods affect us physiologically? Researchers from th. This result would suggest that you are currently infected with COVID-19. So how faint is very faint? Obviously, everyone has a different idea of what a faint line looks like but we're talking anything from not very obvious to proper put-your-specs-on-and-peer-at - as you can see from our main picture of 6 different positive pregnancy tests (some done with multiple test strips) shared in our MadeForMums Community. Read frequently asked questions and answers about genetic testing and genetic testing results from the Mayo Clinic Center for Individualized Medicine. morphine side effects Negative results: With a high likelihood, the results state you were not infected with Sars-CoV-2 at the time of testing. This result would suggest that you are currently infected with COVID-19. Please read the result within 30 minutes of the 15 minute wait for results. There is a very small chance. Next, look very carefully for a T line as it may be. You'll need to isolate for at least five days. If a rapid test is negative, but your health care provider thinks you or your child has strep throat, they may order a throat culture This test looks for strep A bacteria. According to the popular belief, if you have hCG in your urine, the sugar won't dissolve like it normally would. They may not mean you have a problem. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity. HIV positive and pregnant or thinking about HIV and pregnancy? Learn how to protect your own health and lower your risk of passing HIV to your baby. The fern test is most commonly used to provide evidence of the presence of. That line stands for control and means the virus wasn't detected, while the other indicator is "T" for test. A positive result using an at-home COVID-19 antigen test means you likely have COVID-19. Therefore, it is also likely that you may be placed in isolation to avoid spreading the virus to others. There are several reasons peo. What are MRSA tests? A MRSA test looks for MRSA bacteria in a sample of fluid or tissue from your body. Jun 27, 2024 · The diagnostic landscape is dramatically different from 2020, when a fever was considered a strong indication of Covid. freight car Your provider will discuss treatment and refer you to a specialist for HIV care. This test tells you if you have the chlamydia infection. What does a positive test result look like? What is the biochemical basis of the test? Section Menu. Talk to your provider about whether you need an antibody test. Sep 25, 2023 · So, how will you know if the test is positive, though? Here are some photos of positive Covid test results to help you read your result. This follow-up specimen should be collected within 24 hours of the original test, if possible, and no more than 48 hours after the antigen test. Oct 28, 2021 · If your antigen test result reveals a letter C — you're in the clear. See list of participating sites @NCIPrevention @NCISymptomMgmt @NCICastle The National Cancer Institute NCI Division of Cancer Prevention DCP Home Contact DCP Policies Disclaimer P. And tests may give false negatives if taken too early. Jun 24, 2024 at 10:41 AM. For example, a fetus at 14 weeks will be much larger than a fetus at 5 weeks of gestation, so there may be more bleeding and tissue loss. Blood culture. If only one line appears on the device, the result is negative or invalid Mar 18, 2024 · Positive viral test results indicate current, or sometimes recent, infection and the person with COVID-19 should follow CDC recommendations for isolation. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity. It does look darker in person. If only one line appears on the device, the result is negative or invalid Mar 18, 2024 · Positive viral test results indicate current, or sometimes recent, infection and the person with COVID-19 should follow CDC recommendations for isolation. An in situ hybridization (ISH) test looks at the genetics of the sample. A single tweet from Donald Trump has upended the US electio. ELISA is a common laboratory testing technique that detects and counts certain antibodies, antigens, proteins and hormones in bodily fluid samples. In the case of amphetamine, you will see that other over-the-counter medications like pseudoephedrine can result in a "positive" result. This follow-up specimen should be collected within 24 hours of the original test, if possible, and no more than 48 hours after the antigen test. gmc declad wheels Sep 25, 2023 · So, how will you know if the test is positive, though? Here are some photos of positive Covid test results to help you read your result. If you have questions or would like to discuss the information provided after you read this Fact Sheet, please talk to your healthcare provider. After 15 minutes it looked like the test was negative. Monitor your symptoms. This test tells you if you have the chlamydia infection. Urine drug screens have been the most common method for analysis because of ease of sampling. Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. Find out whether you are immune to measles or mumps. Your COVID-19 diagnostic test result could be positive or negative This means you currently have an active infection with the virus that causes COVID-19. A negative test means you probably did not have COVID-19 at the time of the test. For now, a NAAT test is considered the gold standard in COVID-19 testing. It may also help determine your. If you test positive for TB infection, your health care provider will do other tests to determine if you have inactive TB (also called latent TB infection. Summary. If you or a loved one has diabetes and tests positive for COVID-19, you may be a goo. Nitrite-positive urine (pee) is a sign of a possible urinary tract infection (UTI). If your COVID-19 test was positive, this means that the test did detect the presence of COVID-19 in your nasal secretions. You or your test provider must report this test result to the NHS Mar 17, 2022 · A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Jun 27, 2024 · Given the array of possible Covid symptoms, it may be difficult to know when to take a test. When collecting an anterior nasal swab sample, only use the nasal swab(s) provided in. I'm getting a faint positive within the time frame, but I haven't got anything darker. 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After 15 minutes it looked like the test was negative. There are two types of tests for tuberculosis (TB) infection: the TB blood test and the TB skin test. You or your test provider must report this test result to the NHS Mar 17, 2022 · A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Jun 27, 2024 · Given the array of possible Covid symptoms, it may be difficult to know when to take a test. Results take 2 hours to 2 days. Although you may or may. Viral culture. Flu is short for influenza, a respiratory infection caused by a virus. A blood culture is a test that checks for foreign invaders like bacteria, yeast, and other microorganisms in your blood. The test is named for an American physician. ELISA is a common laboratory testing technique that detects and counts certain antibodies, antigens, proteins and hormones in bodily fluid samples. Rub the swab around the. Jan 25, 2022 · If you test positive for COVID-19 and never develop symptoms, commonly referred to as being asymptomatic, isolate for at least five days and wear a mask around others at home. And tests may give false negatives if taken too early. You'll need to isolate for at least five days. The Finkelstein test, also called the Finkelstein sign or maneuver, is used to diagnose de Quervain's tenosynovitis. If you completed both doses of your COVID-19 vaccine, you may not have to quarantine after being exposed to someone who tests positive, according to the latest guidance from the CD. Look closely! Even a very faint, pink Test Line and a blue Control Line is a POSITIVE result. The information obtained can help evaluate whether you are at increased risk. COVID-19 Positive (SARS-CoV-2 RNA Detected) Test Result. Some patients with past infections may not have experienced any symptoms. Results are usually ready in a day. pool rule 34 Negative viral test results mean the test did not detect the virus, but this doesn’t rule out that you could have an infection. Although the tests work well in general, when using a chemical test to support identification of a structure, caution should be used in interpretation of the results. Jun 21, 2024 · Steps to take after receiving a positive COVID-19 test include calling your healthcare provider, starting treatments if necessary, staying home and recovering, keeping away from others, wearing a mask, and getting vaccinated after an appropriate time has passed. Experts recommend getting tested at least 5 days after your close contact with someone with COVID-19, even if you don’t have symptoms. There is a very small chance. May 10, 2024 · A true positive test indicates the presence of SARS-CoV-2 virus and should include two colored lines on the lateral flow device: one in the control (C) region and another in the test (T) region. Does the line's darkness matter? Kind of. A negative test means you probably did not have COVID-19 at the time of the test. Persons who test positive with the QuickVue At-Home COVID-19 Test should self-isolate and seek follow-up care Symptoms of a miscarriage. Jan 6, 2022 · We answer key questions about COVID tests: What types are there? Should you self-test right after exposure to someone with COVID? And what should you do if you test positive? Feb 7, 2022 · If you’re exposed to someone who has tested positive for COVID-19 or if you have symptoms, you’ll want to test. Sometimes, the health care provider may do other testing, like drawing blood for laboratory tests, instead of repeating the blood spot screening. "ELISA" stands for "enzyme-linked immunosorbent assay Another name for it is an EIA test. Anyone who tests positive for COVID-19, or who likely has COVID-19, should contact their health care. Therefore, it is also likely that you may be placed in isolation to avoid spreading the virus to others. Jun 24, 2024 at 10:41 AM. Get tested if you have symptoms of COVID-19 or have been exposed to someone who tested positive for COVID-19. Stool tests can also look for other signs, like hidden blood, that signal something's wrong. While there are many factors that can cause a line on a COVID test to be faint or hardly visible, the safe bet is to assume that any line on a test means you're positive and that you need to take precautions to avoid spreading the virus to others. A physical exam — your nurse or doctor looks at your genital area to check for warts, sores, rashes. A urine culture is a test healthcare providers use to check for a urinary tract infection (UTI) by seeing if bacteria or fungi can grow from a sample of your pee. cox wifi hotspot free trial code 2022 And tests may give false negatives if taken too early. Mar 25, 2022 · What does a positive Covid test look like? How to read a lateral flow result and what a faint line means Even if the line next to the T is extremely faint, that still means your test is. If your COVID-19 test was positive, this means that the test did detect the presence of COVID-19 in your nasal secretions. Most tests use cheek swabs to collect genetic material. Digital test: a negative result will say either "Not Pregnant" or "No". Your provider will give you instructions on how to take your medicine. Bacteria that produce lipase will hydrolyze the olive oil and produce a halo around the bacterial growth. An antinuclear antibody test is a blood test that looks for certain kinds of antibodies in your body. Symptoms of miscarriage vary. POSITIVE RESULT: Two colored lines appear. A positive result—even a faint line —on a pregnancy test means you're almost certainly pregnant. Get tested if you have symptoms of COVID-19 or have been exposed to someone who tested positive for COVID-19. A positive result indicates detection of SARS-CoV-2 antigens in the sample. Your COVID-19 diagnostic test result could be positive or negative This means you currently have an active infection with the virus that causes COVID-19. unifi ui com A positive result using an at-home COVID-19 antigen test means you likely have COVID-19. In this test, a standardized solution made with purified protein derivative (PPD), which is derived from tuberculin, is injected under the skin. You will need other tests, such as a physical examination, chest x-ray, and lab work to determine if you have active TB disease. Antigen test sare very specific for the virus but are not as sensitive as molecular tests. A colored line should always appear in the Control (C) region and another line should be in the Test (T) region. Genes carry information that controls what you look like and how your body works. That line stands for control and means the virus wasn't detected, while the other indicator is "T" for test. See list of participating sites @NCIPrevention @NCISymptomMgmt @NCICastle The National Cancer Institute NCI Division of Cancer Prevention DCP Home Contact DCP Policies Disclaimer P. If only one line appears on the device, the result is negative or invalid Mar 18, 2024 · Positive viral test results indicate current, or sometimes recent, infection and the person with COVID-19 should follow CDC recommendations for isolation. You'll need to isolate for at least five days. The 2 most important metabolites of cocaine are benzoylecgonine and ecgonine. 3% in positive COVID-19 cases from June 17 to June 24. “We still have cases who test negative on. A positive result using an at-home COVID-19 antigen test means you likely have COVID-19. A celiac disease blood test looks for signs of celiac disease in a sample of your blood.
While there are many factors that can cause a line on a COVID test to be faint or hardly visible, the safe bet is to assume that any line on a test means you're positive and that you need to take precautions to avoid spreading the virus to others. But it does mean that your healthcare professional may suggest screening more often or for longer than is typical. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. Monitor your symptoms. However, it's important to know the test doesn't diagnosecolon or rectal cancer. philip dreamstation Antibodies are made by your immune system to help fight and control an infection, such as measles. May 2, 2024 · A positive COVID-19 test means the virus was detected and you have or recently had an infection. But it does mean that your healthcare professional may suggest screening more often or for longer than is typical. It does look darker in person. "ELISA" stands for "enzyme-linked immunosorbent assay Another name for it is an EIA test. Guide for at-home COVID-19 self-testing and repeat testing to know when to test, how many times, what your test results mean, and what you should do next. rule 34 monster These are the dollar tree cheapies. Decrease how long someone is sick Prevent the bacteria from spreading to others. Most people have a normal screening test result. Anyone who tests positive for COVID-19, or who likely has COVID-19, should contact their health care. The information obtained can help evaluate whether you are at increased risk. 80percent27s dress A urine culture test can also identify bacteria or yeast causing a UTI and which drugs work best to treat the infection. Jan 6, 2022 · We answer key questions about COVID tests: What types are there? Should you self-test right after exposure to someone with COVID? And what should you do if you test positive? Jan 27, 2021 · Positive result: 2 lines, one next to C and one next to T, even faint lines, shows the test is positive. If you want to book a COVID-tested flight to Italy, you may wonder what happens if you test positive on one of the required tests. Here's what we know. Diagnostic sensitivity is the ability of a test to identify people who have a disease (i, the percentage of those with the disease who test positive). Monitor your symptoms. May 8, 2024 · If you get a quick, dark line on your COVID test, it's a pretty clear indicator that you're positive. Monitor your symptoms. Possible results are: Positive: means that you have HIV infection.
This test tells you if you have the chlamydia infection. Oct 28, 2021 · If your antigen test result reveals a letter C — you're in the clear. Samples are collected from easy-to-reach areas (like the nasal passage) where the virus tends to replicate the most. Take steps to prevent spreading COVID-19. While there are many factors that can cause a line on a COVID test to be faint or hardly visible, the safe bet is to assume that any line on a test means you're positive and that you need to take precautions to avoid spreading the virus to others. You or your test provider must report this test result to the NHS Mar 17, 2022 · A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Jun 27, 2024 · Given the array of possible Covid symptoms, it may be difficult to know when to take a test. You or your test provider must report this test result to the NHS A positive lateral flow test (left) will feature two lines adjacent to C and T, whereas a negative lateral flow test (right) will only feature one red line next to C Given the array of possible Covid symptoms, it may be difficult to know when to take a test. The Coombs test looks for antibodies that may attack and destroy your red blood cells. Dec 24, 2021 · Virus tests are categorized based on what they look for: molecular tests, which look for the virus’s genetic material, and antigen tests that look for viral proteins. But comparing rapid. May 12, 2020 · Interpreting the result of a test for covid-19 depends on two things: the accuracy of the test, and the pre-test probability or estimated risk of disease before testing. Try our Symptom Checker Got. There is a very small chance. These are the dollar tree cheapies. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity. beavertail atv trailer Experts recommend getting tested at least 5 days after your close contact with someone with COVID-19, even if you don’t have symptoms. The damage may prevent your body from absorbing vitamins, minerals, and other nutrients from the food you eat. Jun 27, 2024 · The diagnostic landscape is dramatically different from 2020, when a fever was considered a strong indication of Covid. If you have symptoms, you can test right away. Experts recommend getting tested at least 5 days after your close contact with someone with COVID-19, even if you don’t have symptoms. The best way to tell the difference is to test. Day 0 is the day the sample was collected for a positive test result. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity. Positive Result: Look for two pink/purple lines, the Control Line, and the Sample Line. These are the dollar tree cheapies. A positive test for antinuclear antibodies (ANA) does not, by itself, indicate the presence of an autoimmune disease. It's also called an ANA or FANA (fluorescent antinuclear antibody) test Cholesterol test results. solo leveling ch This means that a positive result is highly accurate, but a negative result. Avoid spreading the virus to others. Since the beginning of the pandemic, we've more than tripled the availability of ID. (RTTNews) - Gary Kelly, CEO of. Flu is short for influenza, a respiratory infection caused by a virus. Healthcare providers can use stool tests to check for a wide range of gastrointestinal (GI) issues, including infections and cancers. Cardiac computed tomography (CT) for Calcium Scoring uses special x-ray equipment to produce pictures of the coronary arteries to determine if they are blocked or narrowed by the buildup of plaque – an indicator for atherosclerosis or coronary artery disease (CAD). If you have symptoms, you can test right away. Get tested if you have symptoms of COVID-19 or have been exposed to someone who tested positive for COVID-19. *A positive antigen test result in an asymptomatic, unexposed individual should be immediately followed by a PCR test to verify the positive result. It means your hemoglobin is normal. May 8, 2024 · If you get a quick, dark line on your COVID test, it's a pretty clear indicator that you're positive. Learn about what the lines mean and how to read results. If you're eligible for COVID-19 treatments and you get a positive result. “That’s not really a major sign anymore,” Furr said Jun 24, 2024 · GreenEyedMom0f2. This means that a positive result is highly accurate, but a negative result. Flu is short for influenza, a respiratory infection caused by a virus. These are the dollar tree cheapies.