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

Tanzania has confirmed an outbreak of Marburg virus disease in the northwestern Kagera region after one case tested positive for the virus following investigations and laboratory analysis of suspected ...

New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

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

The U.S. Centers for Disease Control and Prevention (CDC) confirmed another human H5N1 avian flu case -- otherwise kno ...

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

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

RSV cases peaked earlier this month, but experts ask people to remain vigilant in preventing its spread. RSV is a respiratory ...

The WHO has downplayed concerns over a rise in HMPV cases, saying outbreaks are normal during winter in the Northern ...

The CDC announced on Thursday its recommendation to test hospitalized influenza A patients more quickly and thoroughly to distinguish between seasonal flu and bird flu.

A California child was recently confirmed as the third human case of bird flu with a known source of infection. What could this mean in our fight against the disease?