At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

Since the start of the pandemic, the FDA has issued emergency use authorizations to a whopping 444 diagnostic tests and sample collection devices to detect the COVID-19 virus. In recent months, ...

Two US counties will receive a surge of free, rapid, at-home Covid-19 tests in an effort to study how people use them and how that impacts Covid-19 trends in the community, according to an ...

Nathaniel Hafer receives funding from the National Institutes of Health and the National Science Foundation. Anuradha Rao receives funding from the National Institute of Biomedical Imaging and ...