According to the WHO, there are around one billion cases of seasonal influenza each year. Read more at straitstimes.com.

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

An influenza virus of a new subtype to which the general population has little or no immunity that causes disease in humans and spreads efficiently from person to person, causing community-wide ...

What does must mean? Lawmakers discuss definition Influenza Surveillance with the South Dakota Department of Health, Vickie Horan, said what the DOH has seen this year in terms of influenza.