Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

The virus, often colloquially referred to as “stomach flu,” saw the percentage of positive tests double during the first week ...

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...

The Centers for Disease Control and Prevention says hospitals treating people for the flu should test them for avian ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

Rates of norovirus in that CDC system have reached levels at or above last season's peak in all regions of the country.

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of ...

CDC officials say medical professionals are seeing more patients whose illness cannot be traced back to an infected animal or ...

Disease experts have called on Chinese authorities to reveal critical data about a worrying outbreak of HMPV, which can be ...