The availability of a four-in-one respiratory virus diagnostic for home use may be a boon to consumers, but some clinicians say it should not be used as a substitute for a physician’s guidance.

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this year, they jumped past the previous season peak at the end of last month, ...

Canine coronavirus and influenza D are two zoonotic viruses that researchers say have “considerable potential” for causing future epidemics in people. In an article published recently in Emerging ...

Progressive multifocal leukoencephalopathy (PML) is a rare but serious brain infection. It gradually destroys brain tissue ...