Pacheco's disease Pacheco's disease Pacheco's disease is an acute and often lethal infectious disease in psittacine birds. The disease is caused by a species of herpesvirus, Psittacid alphaherpesvirus 1 (PsHV-1), which consists of four genotypes. Birds which do not succumb to Pacheco's disease after infection with the virus become asymptomatic carriers that act as reservoirs of the infection. These persistently infected birds, often Macaws, Amazon parrots and some species of conures, shed the virus in feces and in respiratory and oral secretions. Outbreaks can occur when stress causes healthy birds who carry the virus to shed it. Birds generally become infected after
Cold Contagious sound proved not to be as radio-friendly as that of Bush's debut album, "Sixteen Stone". "Cold Contagious" was not a big hit, although it was more successful than the third single from the album, "Bonedriven," which failed to chart at all in the U.S. "Cold Contagious" peaked at No. 18 on the Mainstream Rock Tracks chart and No. 23 on the Modern Rock Tracks chart. Cold Contagious "Cold Contagious" is the fourth and final single from the band Bush's second studio album, "Razorblade Suitcase" (1996). Along with "Bonedriven", "Cold Contagious" is the only Bush single from 1994-1999 not to be