| variable effect of vaccination against highly pathogenic avian influenza (h7n7) virus on disease and transmission in pheasants and teals. | highly pathogenic avian influenza viruses can affect many bird species, with disease symptoms ranging from severe morbidity and high mortality to mild transient illness. much is known about infections in chickens, but for other captive birds the relations between disease symptoms, excretion patterns, and transmission, as well as the effect of vaccination on these relations are not clear. we report results from experimental transmission studies with a highly pathogenic h7n7 virus and two commonly ... | 2007 | 18029064 |
| serological evidence of avian influenza in captive wild birds in a zoo and two safari parks in bangladesh. | avian influenza (ai) is endemic and frequently causes seasonal outbreaks in winter in bangladesh due to high pathogenic avian influenza (hpai) h5n1 and low pathogenic avian influenza (lpai) h9n2. among avian influenza a viruses (aiv), h5, h7, and h9 subtypes have the most zoonotic potential. captive birds in zoos and safari parks are used for educational, recreational, breeding, and conservational purposes in bangladesh. to screen for aiv in captive birds to assess potential public health threat ... | 2020 | 32882787 |