http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/1390.htm 2006-11-01 A new strain of the killer H5N1 avian flu virus had emerged and become the dominant strain in southern China and southeast Asia by early this year, displacing previous ones, according to a study published on Tuesday.