TY - BOOK AU - Osama Ahmed Mohamed Mohamed Mahana AU - Abdelsatar Arafa Mohamed , AU - Hussein Ali Hussein , AU - Mohamed Abdelhameed Shalaby , TI - Molecular characterization of H5 gene of avian influenza viruses in backyard birds / PY - 2012/// CY - Cairo : PB - Osama Ahmed Mohamed Mohamed Mahana , KW - Backyard KW - H5 gene KW - HPAI N1 - Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Virology; Issued also as CD N2 - Highly pathogenic avian influenza (HPAI) caused by the influenza A HPAI virus represent a signifcant threat to the poultry industry and humans in Egypt . Silently infected free ranging ducks and geese as well as mixed species in backyard holdings are suspected to play essential role in spread of virus and most of human cases occur in this sector UR - http://172.23.153.220/th.pdf ER -