Learn how long you’re contagious with a cold, flu, COVID-19, or RSV, plus tips to prevent spreading respiratory viruses and protect those around you.

How long you are contagious with COVID-19 depends on your symptoms. On average, most people stop being contagious after nine days. How long you are contagious and need to isolate depends on your ...

Influenza rates in North Carolina remain high following the state's first pediatric flu death of the season. Wastewater data shows a sharp spike in flu cases, along with increases in COVID-19 and RSV, ...

Dec 1 (Reuters) - COVID-19 patients who received cancer treatments that suppress their immune system may remain contagious and able to spread the coronavirus for two months or more, according to a ...

The viral samples came from two waves of infection in Houston The dominant strains of virus in the second wave contained the Gly614 amino acid replacement in the virus’ spike protein A virologist said ...

A worldwide study of the coronavirus released in the journal Cell indicates that the dominant strand of COVID-19 is causing the virus to spread faster. But the study’s authors said that even though ...