Researchers have revealed the Heartland Virus is Widespread in America
Researchers find troublesome influenza viruses close to home.
A new genetic study finds just how closely related human and pig flu viruses were during a 2012 outbreak.
China's dramatic response to a single case of plague is very telling.
Following a moratorium on "dangerous" flu research, new studies reshuffle the molecular mechanisms that allow bird flu to infect humans.
The deadly H7N9 has advanced beyond mainland China.
The H7N9 avian flu virus outbreak in China has already killed 11 people. Here's what's up with it.
Virologists are ending their worldwide bird-flu research hiatus, but they need approval from U.S. funding agencies.
Out of the wild
How do you tell if a flu is dangerous enough to bring down the Olympics? Map diseases in real-time, throughout the entire country
After months of controversy, second bird flu recipe finally published
A different sort of computer virus gives drug developers new weaponry
The Big Question: How many people will it infect this year?
WHO raises H1N1 pandemic alert level to 6
H1N1's family tree, the first analysis of the virus, and safety tips from a guy in a gorilla costume
It's 3 AM, that phone is ringing; will their records back their claims?