The United Nations warned Monday of a possible resurgence of the deadly bird flu virus, saying wild bird migrations had brought it back to previously virus-free countries and that a mutant strain was spreading in Asia.
A mutant strain of H5N1, which can apparently sidestep defenses of existing vaccines, is spreading in China and Vietnam, Tthe U.N. Food and Agriculture Organization said in a statement Monday. It urged greater surveillance to ensure that any outbreaks are contained.
Read more: https://www.foxnews.com/world/2011/08/29/un-warns-bird-flu-resurgence-new-asian-strain/#ixzz1WPYuulv8
Aug 29, 2011 @ 10:12:53
