Tests find milder strain of bird flu
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20060902/ap_on_he_me/bird_flu"><img src="http://d.yimg.com/us.yimg.com/p/nm/20060903/2006_09_01t181336_450x297_us_birdflu_usa.jpg?x=130&y=85&sig=4COesv64.lXGwMETafLmMQ--" align="left" height="85" width="130" alt="A pair of Mallard ducks swim through fallen leaves in a pond in New York's Central Park, in a November 14, 2004 file photo. Mallard ducks in Pennsylvania have tested positive for a low-pathogenic strain of the H5N1 bird flu virus, the U.S. Agriculture and Interior departments said on Saturday, adding to cases detected recently in Maryland and Michigan. (Jeff Christensen/Reuters)" border="0" /></a>AP - Wild ducks in Pennsylvania have tested positive for bird flu, but not the deadly Asian strain that has ravaged poultry and killed at least 141 people worldwide, the Agriculture Department said Saturday.</p><br clear="all"/>