Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Swine Flu' Strain Has Passed from Humans to Swine Nearly 400 Times Since 2009 July 27, 2023 — A new study of the strain of influenza A responsible for the 2009 H1N1 pandemic -- pdm09 -- shows ...

The vaccine for H1N1 flu (swine flu) will be available in the fall of 2009. This vaccine is separate from the usual seasonal flu vaccine. Pregnant women are first on the list of those who should ...