Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

"Identifying epidemiologically linked clusters of influenza A(H5N1) human cases might indicate the virus is better able to spread between humans," a spokesperson from the CDC A(H5N1) Bird Flu ...

"Identifying epidemiologically linked clusters of influenza A(H5N1) human cases might indicate the virus is better able to spread between humans," a CDC spokesperson told Newsweek. "CDC is ...

Additionally, just 43.7% of adults ages 75 and older have received the RSV vaccine, according to CDC data. Nearly half of all children are vaccinated against the flu at 42.5%, but just 10.3% have ...

“It has the potential to really harm a lot of people,” Angela Rasmussen, a virologist at the Vaccine and Infectious Disease Organization in Canada, said. In a positive finding, the CDC ...

During the week of Dec. 5, the CDC reported 91 cases of norovirus, more commonly known as the stomach flu, which is over double the highest number recorded between 2021 and 2024. The report comes ...

Norovirus cases are surging across the country this winter, according to Centers for Disease Control and Prevention (CDC) data. There were 91 outbreaks reported by state health departments during ...

We analyzed data from persons with laboratory-confirmed A(H5N1) virus infection using a standardized case-report form linked to ... Control and Prevention (CDC) Human Influenza Virus Real-Time ...

For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...