Influenza D virus, a pathogen best known for causing respiratory illness in cattle, appears to be silently infecting farmworkers across multiple continents, according to a growing body of serological ...

Remember when pandemics were something we only read about in history books? Good times. Today, we’re looking back at when Bulgaria swine flu became a big deal. It’s a story of how it spread, the ...

In the coming weeks, we'll know whether the current swine flu scare is a real pandemic or (hopefully) something much smaller. Either way, we are guaranteed to become a population with a heightened ...

The swine flu viruses that usually spread among pigs aren't the same as human flu viruses. Swine flu doesn't often infect people, and the rare human cases that have occurred in the past have mainly ...