The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness ...

While it’s important to still be cautious about COVID-19, there are other viral respiratory infections that can still be passed between people. Our bodies are always working hard to fight off ...

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

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our ...

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 ...

Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease ...

Researchers found first strain of henipavirus in North America. What you need to know about new virus in wild animals that ...