Scientists explain why viruses thrive during winter (Reuter


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/nm/20051103/hl_nm/birdflu_hongkong_winter_dc"><img src="http://us.news3.yimg.com/us.i2.yimg.com/p/nm/20051103/2005_11_03t085018_450x300_us_birdflu_hongkong_winter.jpg?x=130&y=86&sig=vKi._JifcI8dmadXHqN4VQ--" align="left" height="86" width="130" alt="A Chinese worker feeds doves in a garden in Lianyungang, east China's Jiangsu province November 3, 2005. CHINA OUT (China Newsphoto/Reuters)" border="0" /></a>Reuters - The deadly H5N1 bird flu virus
thrives in the cooler months between October and March,
matching the seasonal peak for common human influenza viruses.</p><br clear=all>