varied pathogenicity of a hong kong-origin h5n1 avian influenza virus in four passerine species and budgerigars. | this investigation assessed the ability of the zoonotic a/chicken/hong kong/220/97 (chicken/hong kong) (h5n1) highly pathogenic avian influenza virus to infect and cause disease in zebra finches (taeniopygia guttata), house finches (carpodacus mexicanus), house sparrows (passer domesticus), european starlings (sternus vulgaris), and budgerigars (melopsittacus undulatus) after intranasal administration. zebra finches were the most severely affected of the five species, demonstrating anorexia, dep ... | 2003 | 12627709 |