Publications

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identification of type a influenza viruses from wild birds on the delmarva peninsula, 2007-10.wild waterfowl and shorebirds in the delaware-maryland-virginia (delmarva) peninsula region within the atlantic flyway were sampled as part of the early detection of highly pathogenic h5n1 avian influenza (ai) in wild migratory birds program. the u.s. department of agriculture (usda) and state wildlife agencies submitted 7858 samples for ai virus (aiv) testing by real-time reverse transcription pcr (rrt-pcr) to the university of delaware poultry health system from april 2007 to march 2011. virus ...201728301233
novel h5 clade 2.3.4.4 reassortant (h5n1) virus from a green-winged teal in washington, usa.eurasian (ea)-origin h5n8 clade 2.3.4.4 avian influenza viruses were first detected in north america during december 2014. subsequent reassortment with north american (am) low-pathogenic wild-bird-origin avian influenza has generated at least two reassortants, including an ea/am h5n1 from an apparently healthy wild green-winged teal, suggesting continued ongoing reassortment.201525838478
genome sequence of a reassortant h5n1 avian influenza virus isolated from domestic green-winged teal.an avian influenza virus strain, a/domestic green-winged teal/hunan/3450/2006(h5n1) (dgw-t3450), was isolated from domestic green-winged teals. genome analysis demonstrated that dgw-t3450 is a novel reassortant strain. the hemagglutinin (ha) and neuraminidase (na) genes of this strain originated from h5n1 viruses circulating in poultry, while its remaining genes are derived from multiple ancestors, including viruses like those that infect wild birds.201323950136
characterization of h5n1 influenza a viruses isolated from domestic green-winged teal.two avian influenza virus strains, a/domestic green-winged teal/hunan/67/2005 (h5n1) (d-gwt/67) and a/domestic green-winged teal/hunan/79/2005 (h5n1) (d-gwt/79), were isolated from healthy domestic green-winged teals (anas crecca) in hunan province, south china. genomic analysis showed that both isolates were reassortants. the hemagglutinin (ha) genes of the two isolates were closely related to that of an h5n1 strain isolated from tree sparrow (a/tree sparrow/henan/1/04). the neuraminidase (na) ...200918825495
surveillance of avian influenza viruses in migratory birds in egypt, 2003-09.migratory (particularly aquatic) birds are the major natural reservoirs for type a influenza viruses. however, their role in transmitting highly pathogenic avian influenza (hpai) viruses is unclear. egypt is a "funnel" zone of wild bird migration pathways from central asia and europe to eastern and central africa ending in south africa. we sought to detect and isolate avian influenza viruses in migratory birds in egypt. during september 2003-february 2009, the us naval medical research unit numb ...201222740532
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