| an unusual koi herpesvirus associated with a mortality event of common carp cyprinus carpio in new york state, usa. | koi herpesvirus (khv), a highly contagious and lethal virus that affects both koi (cyprinus carpio koi) and common carp (cyprinus carpio), was isolated in 1998 from two outbreaks of koi suffering mass mortality in new york state, usa, and in israel. the disease had been described as early as 1996 in europe. in july 2004, this virus was found associated with a mass mortality event in wild common carp in the chadakoin river, new york, usa (42 degrees 07' n, 79 degrees w). affected fish typically s ... | 2006 | 17092898 |