Influenza, the virus responsible for flu, is known to spread through aerosols (microscopic droplets) released when an infected person coughs, sneezes, or even breathes normally. It can also pass from ...

Some of the initial symptoms of Nipah virus present like the common flu, but they are very different illnesses ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - This electron microscope image provided by the National Institutes of Health shows human respiratory syncytial virus (RSV) ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus — and cases are expected to keep growing with holiday travel. That variant, known as “subclade K,” led to early outbreaks in ...