References in periodicals archive ?
In mammals, numerous viruses are detectable in semen, including viruses that can cause disease in humans, such as Japanese encephalitis virus, foot and mouth disease virus, parainfluenza virus, and paravaccinia virus (6).
Negative-stain electron microscopy can confirm a parapoxvirus infection by demonstrating classic ovoid cross-hatched virions (Figure 2) but cannot distinguish orf virus from other parapoxviruses such as paravaccinia (pseudocowpox) virus; serologic testing has the same limitation.