"Our model isn't perfect because the human immune ... because antibodies made to the H1N1 virus do not inactivate the H5N1 virus. Therefore, it is unlikely that seasonal vaccination against ...
The detection of bird flu in a sheep is another sign that the H5N1 virus is adapting to hop to new hosts ...
We asked the experts to explain what makes this year's flu season so unusual. Colored scanning electron micrograph (SEM) of H1N1 influenza (flu) virus particle isolated from a lung cell.
Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...
Older adults who were exposed to seasonal flu viruses that circulated prior to ... "We found that antibody responses that were primed by H1N1 and H3N2 viruses decades ago can cross-react to ...
In the spring of 2009, the first flu pandemic in four decades began. Caused by an H1N1 virus that emerged from pigs, likely in Mexico, it spread quickly around the globe. The world got lucky in 2009.