Is the ‘Quad-demic’ the worst holiday gift ever for America? As four viruses surge across the US, here's what you need to know.

As norovirus cases rise in the U.S., Texas Governor Greg Abbott assured there will be no mask mandates in the state.

A recent surge in respiratory illnesses, including HMPV, COVID-19, and flu, has overwhelmed hospitals in China. Read on to know key diseases, transmission, and prevention.

News reports and social media posts are warning of a new outbreak of a little-known virus called human metapneumovirus (HMPV) in China, but officials are yet to confirm this.

Doctor visits for RSV are at a "very high" level in. Health officials provide warning signs of RSV to look for in children, adults ...