Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

COVID and the 1918 flu pandemic gave us playbooks on how to prepare for the next pandemic. But we aren’t using it.

Flu season is right around the corner—and experts offer insight on where the virus thrives, and how to protect yourself. The ...

Cold germs from someone’s nose or cough can live on surfaces for hours to days, depending on many factors. Learn which ...

Simultaneous outbreaks of norovirus, birdflu, influenza, COVID-19 and respiratory syncytial virus are occurring across the ...

Five years after the pandemic started, we look back at some of the most memorable photos that were taken during the global ...