Add Yahoo as a preferred source to see more of our stories on Google. As the federal health emergency ended May 11 and COVID numbers are on the rise, here’s how you can still access tests, at-home and ...

Since its global emergence over a year ago, the PCR test – a molecular test that diagnoses infection by detecting genetic material – has been used to distinguish the COVID-19 positives from the ...

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.

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 ...

With fears of a sixth wave of the COVID-19 pandemic this winter, the government plans to offer free PCR tests to anyone who ...