As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what this year's cold, flu and coronavirus season will look like, experts want ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

The time it takes to collect a sample for a flu test is usually less than a minute, but the results can take from 15 minutes to a few hours, depending on the test type. Several types of flu tests are ...

A potential exposure to human immunodeficiency virus (HIV) might make someone wonder how soon they can get results from a test. Some HIV tests can conclusively detect the virus in as little as 6 weeks ...

It’s time to change how we think about the sensitivity of testing for Covid-19. The Food and Drug Administration (FDA) and the scientific community are currently almost exclusively focused on test ...

We regularly answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at goatsandsoda@npr.org with the ...

Viral TikTok videos showing teenagers hacking rapid COVID-19 tests by inserting sodas and other acidic solutions into the tests’ inlet caused quite a stir in 2021, especially in the UK, where these ...