Influenza, or the flu, is a contagious respiratory virus. It can be a severe illness that affects the nose, throat and sometimes lungs. Symptoms of influenza are sore throat, cough, congestion, ...

We get it, it's the holiday season. No one wants to get family and friends sick -- and no one wants to miss out, either. With COVID rates up across the country, health experts are urging people to ...

A new study from the Centers for Disease Control and Prevention found that 59% of all COVID cases are spread from people without symptoms. The study says 35% of cases come from people who are ...

Cases of acute respiratory illnesses like flu and COVID-19 have dropped in Illinois, according to state data from January.

Currently, COVID-19 cases are on the rise in half of U.S. states, data show. An uptick in transmission fueled by highly contagious new variants is causing an increasing number of Americans to come ...

Medically reviewed by Kate Colby, MPH The COVID-19 incubation period is the time between exposure to the SARS-CoV-2 virus and the onset of symptoms.Over 98% of people in the U.S. have some COVID-19 ...

The virus that causes COVID-19 is accumulating genetic mutations, one of which may have made it more contagious. The number of virus strains present in each zip code in Houston during the second wave ...

SAN FRANCISCO -- Scientists at Stanford have detected a new COVID variant that experts say is already evident in wastewater samples in California, even as access to vaccines is restricted. COVID-19 is ...

Flu season is here in New Jersey, but other illnesses are in full swing as well. Cases of influenza increased during holiday gatherings and travel and have been on the rise since then. In the week ...