In 1942, a bivalent vaccine was produced after the discovery of influenza B. It was later discovered that influenza viruses mutated leading to antigenic changes. Since 1973, the WHO has issued ...

Seasonal flu viruses are dominated by influenza A and B. Most seasonal flu viruses ... a tool used to detect diseases from municipal treatment plants, similarly shows high levels of influenza ...

A doctor can usually tell if you have the flu based on your symptoms ... Learn more about the symptoms you might experience and what treatments exist.

There are limited reports of avian flu, otherwise known as H5N1, spreading between humans in other parts of the world, ...

For flu B, which is not widely circulating right now ... on one and not the other would be useful in terms of seeking out treatment,” said Dr. Paul Sax, clinical director of Division of ...

Wastewater surveillance, a tool used to detect diseases from municipal treatment plants ... and respiratory syncytial virus. Influenza B transmission is low for now. With the flu, someone can ...