biological and genetic characterization of a low-pathogenicity avian influenza h6n2 virus originating from a healthy eurasian coot. | influenza a virus, a/eurasian coot/western australia/2727/79 (h6n2), from an apparently healthy coot was characterized. this virus was able to grow on mdck cells and produce a cytopathic effect in the absence of exogenous trypsin and was further characterized as a low-pathogenicity avian influenza virus, with an intravenous pathogenicity index of 0.15 and a (321)pqaetrg(328) motif at the cleavage site of the haemagglutinin gene. it infected domestic chickens, resulting in seroconversion and inte ... | 2010 | 20112121 |