For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

Since the winter months, the U.S. has seen a bit of a lull in COVID-19 activity. But with new coronavirus strains emerging recently, cases are ticking up again in some areas of the country. As we gear ...

Abundant, free, rapid tests, many experts argue, are vitally important for mitigating what we know is fast becoming an endemic virus — Covid-19. But that is easier said than done. Between supply ...

Experts are monitoring increases in COVID-19 cases in the U.S. driven by new, highly infectious variants. So take a moment to make sure you how and when to use at-home COVID tests to help you stay ...

At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

How much should you trust the results of a rapid antigen test? That's a question many people are asking these days amid recent research and anecdotes suggesting these tests may be less sensitive to ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

During the holidays, lots of Coloradans relied on rapid COVID-19 tests to determine whether they should gather for parties, visit with friends and family or stay home. But those tests weren’t widely ...

For the first time, the World Health Organization (WHO) has prequalified two rapid antigen tests for detecting COVID-19, the ...

SYDNEY, AUSTRALIA - SEPTEMBER 29: In this photo illustration a man uses a COVID-19 rapid antigen test kit at home on September 29, 2021 in Sydney, Australia. Australians will be able to use rapid ...

Nathaniel Hafer receives funding from the National Institutes of Health via awards UL1TR001453 and U54HL143541. Apurv Soni receives funding from the National Institutes of Health via awards ...