H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

RSV, respiratory syncytial virus, usually peaks in December and January while infecting the nose, throat and lungs, usually ...

N ow that bird flu has been detected in animals in all 50 states, and nearly 70 cases have been confirmed in people, health ...

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

In the study of infectious diseases, a critical and complex phenomenon is the transmission of viruses across different host species. Such events can lead to ...

The antiviral combination of nirmatrelvir and ritonavir (brand name Paxlovid) is an effective treatment for people with COVID ...