Reuters, Sept. 30, 2006http://www.int.iol.co.za/index.php?set_id=1&click_id=31&art_id=qw1159737662287B216   A drug being developed to fight bird flu and seasonal flu helps animals to survive H5N1 avian flu infection, BioCryst Pharmaceuticals said on Saturday. The drug called peramivir which was tested at UTMB, protected mice and ferrets, which are considered the species closest to humans in terms of susceptibility to influenza.