Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

With flu cases surging in Illinois as a new and mutated variant rapidly spreads, mitigating spread of those who contract the virus is increasingly important. But how long are you actually contagious ...

A case of measles was detected at Newark airport in New Jersey during holiday travel — and at Logan in Boston. Health ...

It is peak cold and flu season, and this year’s influenza virus strain is making it a season to remember. 90% of flu cases this year are tied to influenza A strain, which has undergone several ...

Flu cases are rising across the U.S. Here's what you need to know about symptoms, flu duration and the new strain ...

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. Here's what to expect and ...

The strain is somewhat resistant to this year’s vaccine, which was created months before the outbreak, medical experts say.

Measles cases are confirmed at Newark Liberty International Airport and Boston Logan International Airport. This is happening ...

When the flu strikes, one of the biggest concerns is how long you might be contagious. Knowing this can help protect your family, friends, and coworkers from catching the virus. This guide from ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.

As North Carolina illness rates spike post-holidays, here's what to know about the spread of flu, stomach flu and COVID-19.

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...