The OSOM COVID-19 Antigen Rapid Test and components should be stored between 15-30°C (59-86°F). Ensure all kit components are at room temperature before use.The 3 types of COVID-19 tests are a molecular test, antigen test, and an antibody test. ... Antigen Tests . Antigen tests are rapid tests that consistently have a quicker turnaround time than RNA ...Apr 4, 2022 · In addition, laboratories and testing sites can find out more about How to Report COVID-19 Laboratory Data. CLIA-certified laboratories or testing sites are no longer required to report negative results for non-NAAT tests (rapid or antigen test results) or antibody tests, positive or negative. FDA Authorized 15-Minute Self-Test: The test is a 15-minute self-test to detect whether or not an individual has COVID-19. The iHealth COVID-19 Antigen Rapid Test is a lateral flow assay intended ...Jan 6, 2022 · Some antigen tests, including the rapid COVID-19 test made by the Abbott BinaxNOW and Quidel QuickVue brands, may fail to detect if you have omicron, according to new data released this week. Expiration Date. The use by date found on the back of the box is the date as approved by the FDA EUA. The use by date is in YYYY-MM-DD format. The whole kit's expiry is determined by whichever component expires the soonest - the test card. When the study team submits requests for extending the expiry, it's also about the test card's performance.Apr 4, 2022 · In addition, laboratories and testing sites can find out more about How to Report COVID-19 Laboratory Data. CLIA-certified laboratories or testing sites are no longer required to report negative results for non-NAAT tests (rapid or antigen test results) or antibody tests, positive or negative. Feb 14, 2023 · Antigen self-tests, often referred to as rapid antigen tests, are used to detect proteins from SARS-CoV-2, the virus that causes COVID-19. This differs from molecular tests, often called polymerase chain reaction (PCR) tests, which work by detecting genetic material from SARS-CoV-2. Self-testing allows people to test themselves or their ... At-home over-the-counter (OTC) COVID-19 antigen tests, often referred to as rapid tests, detect proteins called antigens from SARS-CoV-2, the virus that causes COVID-19. Antigen tests, often referred to as rapid tests or, ... To increase the accuracy of an at-home COVID-19 antigen diagnostic test, it is important to perform repeat testing, after 48 hours ...Taking the swab. open your mouth wide and rub the swab over both your tonsils (or where they would have been) at the back of your throat. Do this 4 times on each side. using the same swab, wipe the inside of your nose as set out in the test kit instructions. use the swab to wipe the inside of your nose as set out in the test kit instructions. Jun 11, 2021 · Along with what the tests specifically look for, the biggest difference between the two tests is the turnaround time. Rapid antigen tests got that name because you receive results fairly quickly, usually within 15 to 30 minutes. Most PCR tests can take a few days to process. Part of that is because PCR test samples have to actually be sent to a ... Free drive-thru COVID-19 testing is now available at select Walgreens locations. Learn more to see if you should consider scheduling a COVID test.In addition, laboratories and testing sites can find out more about How to Report COVID-19 Laboratory Data. CLIA-certified laboratories or testing sites are no longer required to report negative results for non-NAAT tests (rapid or antigen test results) or antibody tests, positive or negative.Antigen tests, often referred to as rapid tests or, ... To increase the accuracy of an at-home COVID-19 antigen diagnostic test, it is important to perform repeat testing, after 48 hours ...Cue our sixth COVID-19 test, the BinaxNOW ™ COVID-19 Ag Card rapid antigen test, which has received emergency use authorization (EUA) from the U.S. Food and Drug Administration (FDA). This test offers results in 15 minutes and is available as an aid to diagnose the virus that causes COVID-19. The BinaxNOW test can be displayed on our new ...The reagent fluid in many COVID-19 rapid antigen home test kits contains sodium azide in concentrations of 0.0125–0.0946%, and personal communication with test kit manufacturers revealed that the reagent fluid volume in these kits is small (0.3–0.625 mL) [, , ]. Thus, reagents with sodium azide concentrations less than 0.09–0.095% ...Expiration Date. The use by date found on the back of the box is the date as approved by the FDA EUA. The use by date is in YYYY-MM-DD format. The whole kit's expiry is determined by whichever component expires the soonest - the test card. When the study team submits requests for extending the expiry, it's also about the test card's performance.An antigen test hunts for pieces of coronavirus proteins. Most rapid home antigen tests work sort of like a pregnancy test — if virus antigens are detected in the sample, a line on a paper test ...Jan 4, 2022 · Rapid antigen tests detect COVID-19 when people have a higher amount of virus particles in their system and are more contagious. But a negative antigen test doesn’t necessarily mean you aren’t contagious. If someone has COVID-19, but hasn’t yet reached the test’s threshold of viral particles, they may still test negative with an antigen ... While antigen tests deliver results in about 15 minutes, before the Omicron variant emerged they were only 58% accurate for people who didn't have symptoms, or 72% accurate for those who did ... WebMD's Chief Medical Officer, John Whyte, MD, MPH, demonstrates how to use a COVID-19 rapid antigen test at home.A COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen.COVID-19 Rapid Antigen Test is a non-invasive rapid point-of-care diagnostic test for the qualitative detection of SARS-CoV-2 antigen in respiratory . specimens. Each INDICAIDA COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen.Jun 16, 2023 · Use a rapid antigen test at home to find out if you have COVID-19. The results will be ready in less than 20 minutes. Rapid antigen tests are available for free at many community pharmacies. You don’t have to show ID. If you can’t go to a pharmacy, a friend or family member can pick up a test kit for you. Find a participating pharmacy. Call 119 if: you’re eligible to order rapid lateral flow tests and you cannot use the online service. your test pack does not arrive within 5 days of ordering. Calls are free from mobiles and ...BinaxNOW COVID-19 Antigen Rapid Self-Test at Home Kit | Walgreens. Skip to main content. Shop End of Summer Savings event through 8/31. Extra 15% off $25 Sitewide with code FUN15.The iHealth® COVID-19 Antigen Rapid Test is a lateral flow assay intended for the qualitative detection of nucleocapsid protein antigen from SARS-CoV-2. This test is authorized for non-prescription home use with self-collected anterior nasal (nares) swab samples from individuals aged 15 years or older with symptoms of SD Biosensor: Pilot COVID-19 At-Home Test. InBios International: SCoV-2 Ag Detect Rapid Self-Test. Most of these products have had expiration dates extended as much as 6 months past their printed ...InteliSwab Rapid Antigen Home Test Kit for $18. Walmart. InteliSwab looks different from the standard at-home Covid test kit, and it also requires the longest wait time. Instead of a separate ...Mar 3, 2023 · March 2023. Rapid antigen tests offer a quick and easy way to screen for COVID-19 on your own. Often called “rapid tests” or “home COVID tests,” these rapid antigen tests rely on a nasal ... Expiration Date Extension. On Jan 11, 2023, the FDA granted another three-month shelf-life extension for the iHealth COVID-19 Antigen Rapid Test, which extended the shelf-life of all iHealth tests from 6 months to 15 months. We will continue to apply to FDA for shelf-life extensions every three months based on our stability studies, and the new ...rapid covid-19 antigen tests Rather than looking for the viral RNA itself, antigen tests detect surface proteins and other viral byproducts using a process called lateral flow immunoassay .Nov 7, 2021 · The iHealth COVID-19 Antigen Rapid Test is a lateral flow assay intended for the qualitative detection of nucleocapsid protein antigen from SARS-CoV-2. Easy to Use with Zero Discomfort: Test can be done by inserting 1/2 to 3/4 inch of a simple non-invasive nasal swab. Antigen tests* are rapid tests that usually produce results in 15-30 minutes. Positive results are very accurate and reliable. However, in general, antigen tests are less likely to detect the virus than PCR tests, especially when symptoms are not present. Therefore, a single negative antigen test cannot rule out infection.Mar 7, 2023 · Collection method: Nasal swab. Get results in: 15 minutes. Abbott's BinaxNOW COVID-19 test is one of the more common home tests, so you might recognize the purple-and-blue box. Like most other ... A step-by-step guide to doing an at-home COVID-19 rapid antigen test. Wash your hands thoroughly with warm water and soap for at least 30 seconds. The kit comes with two tests. Each contains three main items: a collection swab, a test strip and a small vial of liquid. Place them all on a clean surface.rapid covid-19 antigen tests Rather than looking for the viral RNA itself, antigen tests detect surface proteins and other viral byproducts using a process called lateral flow immunoassay .Rapid antigen tests detect COVID-19 when people have a higher amount of virus particles in their system and are more contagious. But a negative antigen test doesn’t necessarily mean you aren’t contagious. If someone has COVID-19, but hasn’t yet reached the test’s threshold of viral particles, they may still test negative with an antigen ...Health.com recently interviewed Eric Vail, MD, director of Molecular Pathology, about the at-home antigen test for the virus that causes COVID-19 and how it determines whether the virus is inside the body and, if so, how much virus is there.At-home antigen tests work by detecting whether the virus is found in testers’ nasal secretions, Vail to... Nov 14, 2022 · The iHealth COVID-19 Antigen Rapid Test, for example—the one sent via mail by the government—has an extended shelf life of 12 months. The FDA now says that if the box of that specific test has ... Collection method: Nasal swab. Get results in: 15 minutes. Abbott's BinaxNOW COVID-19 test is one of the more common home tests, so you might recognize the purple-and-blue box. Like most other ...The BinaxNOW COVID-19 Self Test card is identical to the professional-use test card, used since August 2020, and is the most studied and widely available rapid antigen test and is now available as a Self Test. Now, with BinaxNOW authorized for over the counter for frequent asymptomatic use, we are making testing directly available for fast ...Specimen: Anterior nasal swab specimens. Test time: Results at 15 mins. Shelf life: 24 months. Storage temperature: 2-30oC. Accuracy: 98.8%. Sensitivity: 97.1%. Specificity: 99.5%. For general use. Ensure you are aware this will not provide you with a certificate and your results will not be verified.A rapid antigen test detects proteins from SARS-CoV-2, the virus that causes COVID-19, in a sample. You can collect the sample yourself at home using a nasal swab or saliva.As Food and Drug Administration officials explained in a statement after issuing the first emergency use authorization for a COVID-19 antigen test, “antigen tests are also important in the overall response against COVID-19 as they can generally be produced at a lower cost than PCR [polymerase chain reaction] tests and once multiple manufacturers enter the market, can potentially scale to ...The rapid test—officially known as the Sofia 2 SARS Antigen FIA, created by the Quidel Corporation in San Diego—promised to "quickly detect fragments of proteins found on or within the virus ...A COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen. [NOTE: As of Friday, September 2nd, 2022, the program offering free home COVID-19 rapid antigen tests has been suspended due, according to the website, to a lack of funding from Congress. In other ...Aug 26, 2020 · Cue our sixth COVID-19 test, the BinaxNOW ™ COVID-19 Ag Card rapid antigen test, which has received emergency use authorization (EUA) from the U.S. Food and Drug Administration (FDA). This test offers results in 15 minutes and is available as an aid to diagnose the virus that causes COVID-19. The BinaxNOW test can be displayed on our new ... RightSign COVID 19 Antigen Test (Nasal Swab) Self Test 5 Pack. (2030) $24.99. Buy now. RightSign COVID 19 Antigen Test (Nasal Swab) Self Test 2 Pack. (535) $9.99.A new study shows it’s relatively rare for COVID variants to have mutations to the nucleocapsid protein that would allow them to evade diagnostic tests. COVID-19 Sep 23, 2022Aug 25, 2023 · There are two primary types of at-home COVID-19 tests available on the market: antigen tests and PCR tests. Antigen: An antigen test is “a diagnostic test that detects specific proteins from the virus.”. Because of this, antigen tests can provide results quickly, thus are often used for rapid tests. rapid covid-19 antigen tests Rather than looking for the viral RNA itself, antigen tests detect surface proteins and other viral byproducts using a process called lateral flow immunoassay .Nov 17, 2022 · The 3 types of COVID-19 tests are a molecular test, antigen test, and an antibody test. ... Antigen Tests . Antigen tests are rapid tests that consistently have a quicker turnaround time than RNA ... At-home over-the-counter (OTC) COVID-19 antigen tests, often referred to as rapid tests, detect proteins called antigens from SARS-CoV-2, the virus that causes COVID-19. The iHealth ® COVID-19 Antigen Rapid Test is an antigen test. When COVID-19 is present in the body, your nasal secretions can also contain the SARS-CoV-2 virus (the virus that causes COVID-19). The iHealth ® COVID-19 Antigen Rapid Test is able to detect small parts of theSARS-CoV-2 virus, known as N protein or antigens, in your nasal secretions. COVID-19 antigen tests are designed for the rapid diagnoses of active infection primarily by detecting the nucleocapsid protein antigen of the SARS-CoV-2 virus (the virus that causes COVID-19) from nasal swabs or similar clinical specimens. After collection, point-of-care antigen tests take approximately 15-30 minutes to finalize a result. Apr 11, 2022 · Jha recommends people use a rapid antigen test if they start showing COVID-19 symptoms, or if they had a high-risk exposure to an unvaccinated or symptomatic person with COVID-19. Dec 23, 2021 · A COVID-19 rapid antigen test — Bjerre says antigen is another way of saying virus — detects the SARS-CoV-2 virus in nasal secretions. ... Please refer to the iHealth COVID-19 Antigen Rapid Test Pro Instructions for Use for detailed assay instructions, cautions, limitations and warnings on the website: www.iHealthlabs.com.Apr 25, 2023 · Self-tests for COVID-19 give rapid results and can be taken anywhere. Self-tests detect current infection and are sometimes also called “home tests,” “at-home tests,” or “over-the-counter (OTC) tests.”. They give you results in 10-15 minutes and are usually antigen tests. These are different from laboratory-based PCR tests or self ... Coronavirus February 7, 2022 How to do an at-home COVID-19 rapid antigen test correctly Emergency department nurse gives step-by-step instructions for adults and kids (SACRAMENTO) Chances are you’ve seen COVID-19 rapid antigen test kits for sale in drugstores and supermarkets and online.Jan 11, 2023 · Expiration Date. The use by date found on the back of the box is the date as approved by the FDA EUA. The use by date is in YYYY-MM-DD format. The whole kit's expiry is determined by whichever component expires the soonest - the test card. When the study team submits requests for extending the expiry, it's also about the test card's performance. Mar 7, 2022 · — President Biden (@POTUS) March 7, 2022 Orders should move faster this time In January, some tests didn't ship within the seven- to 12-day window that had been promised because the... Jan 11, 2023 · Expiration Date. The use by date found on the back of the box is the date as approved by the FDA EUA. The use by date is in YYYY-MM-DD format. The whole kit's expiry is determined by whichever component expires the soonest - the test card. When the study team submits requests for extending the expiry, it's also about the test card's performance. At-home over-the-counter (OTC) COVID-19 antigen tests, often referred to as rapid tests, detect proteins called antigens from SARS-CoV-2, the virus that causes COVID-19. Antigen tests are one type of rapid test that may help diagnose COVID-19. Some rapid tests can provide results in 15 minutes. But, they may not be as accurate as other types of tests, such as a ...Antigen self-tests, often referred to as rapid antigen tests, are used to detect proteins from SARS-CoV-2, the virus that causes COVID-19. This differs from molecular tests, often called polymerase chain reaction (PCR) tests, which work by detecting genetic material from SARS-CoV-2. Self-testing allows people to test themselves or their ...WebMD's Chief Medical Officer, John Whyte, MD, MPH, demonstrates how to use a COVID-19 rapid antigen test at home. Rapid antigen detection tests (RADT) (often called COVID-19 rapid tests) detect proteins of the virus. They are quick and easy to perform. The results can be seen in as little as 15 to 30 minutes. Self-tests make it possible for people to collect samples for themselves or their dependants. They can administer the test and read their results at ...Jun 23, 2022 · During the summer of 2022, after more than two years of evading COVID-19, I tested positive at home on a rapid antigen test.. The line was barely there. In fact, it was so faint that it didn't ... As Food and Drug Administration officials explained in a statement after issuing the first emergency use authorization for a COVID-19 antigen test, “antigen tests are also important in the overall response against COVID-19 as they can generally be produced at a lower cost than PCR [polymerase chain reaction] tests and once multiple manufacturers enter the market, can potentially scale to ...On Jan 11, 2023, the FDA granted another three-month shelf-life extension for the iHealth COVID-19 Antigen Rapid Test, which extended the shelf-life of all iHealth tests from 6 months to 15 months. Please refer to the FDA website for the detailed list of extended expiration dates by lot numbers.Expiration Date. The use by date found on the back of the box is the date as approved by the FDA EUA. The use by date is in YYYY-MM-DD format. The whole kit's expiry is determined by whichever component expires the soonest - the test card. When the study team submits requests for extending the expiry, it's also about the test card's performance.Jun 16, 2023 · Use a rapid antigen test at home to find out if you have COVID-19. The results will be ready in less than 20 minutes. Rapid antigen tests are available for free at many community pharmacies. You don’t have to show ID. If you can’t go to a pharmacy, a friend or family member can pick up a test kit for you. Find a participating pharmacy. Some antigen tests, including the rapid COVID-19 test made by the Abbott BinaxNOW and Quidel QuickVue brands, may fail to detect if you have omicron, according to new data released this week.If an antigen test is used outside the recommended window from symptom onset or to test asymptomatic individuals, false positive results can occur. Depending on the level of tolerance for potential false positive results, confirmatory NAAT may be indicated. Rapid antigen tests for COVID-19 diagnosis in symptomatic individualsMay 11, 2023 · Antigen tests* are rapid tests that usually produce results in 15-30 minutes. Positive results are very accurate and reliable. However, in general, antigen tests are less likely to detect the virus than PCR tests, especially when symptoms are not present. A rapid or at-home COVID-19 test is a quick and convenient way to find out if a person has COVID-19. Rarely, rapid tests may provide a false positive result. For example, if someone does not ...As Food and Drug Administration officials explained in a statement after issuing the first emergency use authorization for a COVID-19 antigen test, “antigen tests are also important in the overall response against COVID-19 as they can generally be produced at a lower cost than PCR [polymerase chain reaction] tests and once multiple manufacturers enter the market, can potentially scale to ...The reagent fluid in many COVID-19 rapid antigen home test kits contains sodium azide in concentrations of 0.0125–0.0946%, and personal communication with test kit manufacturers revealed that the reagent fluid volume in these kits is small (0.3–0.625 mL) [, , ]. Thus, reagents with sodium azide concentrations less than 0.09–0.095% ...The Intrivo On/Go COVID-19 Antigen Self-Test (two tests per box), pairs with an optional app that walks you through testing (including a timer to ensure you’re taking the proper amount of time ...Specimen: Anterior nasal swab specimens. Test time: Results at 15 mins. Shelf life: 24 months. Storage temperature: 2-30oC. Accuracy: 98.8%. Sensitivity: 97.1%. Specificity: 99.5%. For general use. Ensure you are aware this will not provide you with a certificate and your results will not be verified. Cue our sixth COVID-19 test, the BinaxNOW ™ COVID-19 Ag Card rapid antigen test, which has received emergency use authorization (EUA) from the U.S. Food and Drug Administration (FDA). This test offers results in 15 minutes and is available as an aid to diagnose the virus that causes COVID-19. The BinaxNOW test can be displayed on our new ...Nov 21, 2021 · A rapid antigen test detects proteins from SARS-CoV-2, the virus that causes COVID-19, in a sample. You can collect the sample yourself at home using a nasal swab or saliva. Accurate rapid diagnostic tests for SARS-CoV-2 infection would be a useful tool to help manage the COVID-19 pandemic. Testing strategies that use rapid antigen tests to detect current infection have the potential to increase access to testing, speed detection of infection, and inform clinical and public health management decisions to reduce transmission.
If an antigen test is used outside the recommended window from symptom onset or to test asymptomatic individuals, false positive results can occur. Depending on the level of tolerance for potential false positive results, confirmatory NAAT may be indicated. Rapid antigen tests for COVID-19 diagnosis in symptomatic individuals. What level of antibodies for covid 19 is good
Jun 16, 2023 · Use a rapid antigen test at home to find out if you have COVID-19. The results will be ready in less than 20 minutes. Rapid antigen tests are available for free at many community pharmacies. You don’t have to show ID. If you can’t go to a pharmacy, a friend or family member can pick up a test kit for you. Find a participating pharmacy. WebMD's Chief Medical Officer, John Whyte, MD, MPH, demonstrates how to use a COVID-19 rapid antigen test at home.The OSOM COVID-19 Antigen Rapid Test and components should be stored between 15-30°C (59-86°F). Ensure all kit components are at room temperature before use.COVID-19 Rapid Antigen Test is a non-invasive rapid point-of-care diagnostic test for the qualitative detection of SARS-CoV-2 antigen in respiratory . specimens. Each INDICAID The BinaxNow Covid-19 Antigen Self-Test comes with a swab and a testing solution. Unlike a lot of other at-home Covid tests, this one has a fold-over card that’s used for testing. After swabbing ...Cue our sixth COVID-19 test, the BinaxNOW ™ COVID-19 Ag Card rapid antigen test, which has received emergency use authorization (EUA) from the U.S. Food and Drug Administration (FDA). This test offers results in 15 minutes and is available as an aid to diagnose the virus that causes COVID-19. The BinaxNOW test can be displayed on our new ...Acon Laboratories: Flowflex COVID-19 Antigen Home Test. Detect, Inc.: Detect Covid-19 Test. iHealth Labs: iHealth COVID-19 Antigen Rapid Test. SD Biosensor: Pilot COVID-19 At-Home Test. InBios ...Apr 29, 2022 · Do not use counterfeit iHealth COVID-19 Antigen Rapid Test Kits. The FDA is aware that counterfeit versions of the FDA-authorized iHealth COVID-19 Antigen Home Tests are being illegally imported ... COVID-19 antigen tests are designed for the rapid diagnoses of active infection primarily by detecting the nucleocapsid protein antigen of the SARS-CoV-2 virus (the virus that causes COVID-19) from nasal swabs or similar clinical specimens. After collection, point-of-care antigen tests take approximately 15-30 minutes to finalize a result.Apr 4, 2022 · In addition, laboratories and testing sites can find out more about How to Report COVID-19 Laboratory Data. CLIA-certified laboratories or testing sites are no longer required to report negative results for non-NAAT tests (rapid or antigen test results) or antibody tests, positive or negative. There are two different types of rapid COVID-19 tests available: molecular and antigen. In most cases, rapid COVID-19 tests deliver results in less than an hour. There are also many at-home rapid testing options that provide results in 15 to 30 minutes. Many pharmacies offer rapid diagnostic tests for a $0 out-of-pocket cost.Dec 23, 2021 · A COVID-19 rapid antigen test — Bjerre says antigen is another way of saying virus — detects the SARS-CoV-2 virus in nasal secretions. ... On Jan 11, 2023, the FDA granted another three-month shelf-life extension for the iHealth COVID-19 Antigen Rapid Test, which extended the shelf-life of all iHealth tests from 6 months to 15 months. Please refer to the FDA website for the detailed list of extended expiration dates by lot numbers.RT-PCR tests are very accurate when properly performed by a health care professional, but the rapid test can miss some cases. Antigen test. This COVID-19 test detects certain proteins in the virus. Using a nasal swab to get a fluid sample, antigen tests can produce results in minutes.At-home over-the-counter (OTC) COVID-19 antigen tests, often referred to as rapid tests, detect proteins called antigens from SARS-CoV-2, the virus that causes COVID-19.Collection method: Nasal swab. Get results in: 15 minutes. Abbott's BinaxNOW COVID-19 test is one of the more common home tests, so you might recognize the purple-and-blue box. Like most other ...On Jan 11, 2023, the FDA granted another three-month shelf-life extension for the iHealth COVID-19 Antigen Rapid Test, which extended the shelf-life of all iHealth tests from 6 months to 15 months. Please refer to the FDA website for the detailed list of extended expiration dates by lot numbers.The iHealth ® COVID-19 Antigen Rapid Test is an antigen test. When COVID-19 is present in the body, your nasal secretions can also contain the SARS-CoV-2 virus (the virus that causes COVID-19). The iHealth ® COVID-19 Antigen Rapid Test is able to detect small parts of theSARS-CoV-2 virus, known as N protein or antigens, in your nasal secretions. A rapid antigen test detects proteins from SARS-CoV-2, the virus that causes COVID-19, in a sample. You can collect the sample yourself at home using a nasal swab or saliva..