

Antigen tests may not detect the virus if you were infected recently or have small amounts of virus in your system. Antigen TestsĪntigen tests (often called rapid tests) look for proteins on the surface of the SARS-CoV-2 virus.Īntigen tests usually can be processed at the testing site, or at home when using an at-home test, and results are ready quickly. A unique process used at COVID-19 Express sites allow for molecular tests to return results usually within a few hours. They usually require the specimen to be sent to a laboratory, which is why it may take a few days to receive results. These tests look for genetic material from the virus that causes COVID-19 (SARS-CoV-2). Some people test positive with a PCR test weeks or months after having COVID-19, even though they are no longer contagious. Molecular tests, such as PCR tests, can detect the virus even if there is only a small amount in your system. Your health care provider can help you decide which type of test is best for you based on the reason for testing, such as recent exposure or presence of symptoms. There are several different types of tests.
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Watch: How To Take Your At-Home COVID-19 Test.Note: At-home test results may not be accepted for some purposes, such as employer or travel testing requirements. In some cases, you should go to a provider for a test to confirm your initial results. The FDA recommends repeat testing after a negative result, even if you do not have symptoms. You can also watch the below online instructional videos provided by the manufacturers before taking the test.Īt-home testing may be less accurate than tests performed by a health care provider. Some tests have you collect a nasal or saliva sample and send it to a laboratory.īe sure to carefully read and closely follow the manufacturer’s instructions. Most at-home tests allow you to test the sample yourself and get results in minutes. You can also visit Health + Hospitals facility for testing, regardless of immigration status or ability to pay.
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Testing remains an important part of reducing the spread of COVID-19. To find a location near you, visit NYC At-Home COVID-19 Test Kit Pickup. You can pick up free at-home rapid antigen tests at NYC museums, zoos, libraries and other locations throughout the city.
