New antivirals and vaccines could follow the discovery by Australian researchers of strategies used by viruses to control our ...

A widespread bacteria called Wolbachia and a virus that it carries can cause sterility in male insects by hijacking their sperm, preventing them from fertilizing eggs of females that do not have the ...

Humans have an exceptional ability to deal with viruses. In most cases, your immune system is able to fight an infection. On ...

Richard Webby answers the question: 'Flu Viruses in Pigs versus Humans?' June 3, 2009 -- Question:How do flu viruses in pigs differ from flu viruses in humans? Answer: Pigs, a lot like humans, are a ...

Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

The prospect of an outbreak of avian influenza among dairy cattle triggering a pandemic in humans is one step closer than scientists thought. New research shows that cow udder cells can be infected ...

H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the virus more transmissible to humans, the Centers for Disease Control and Prevention ...