an infection due to the paravaccinia virus, a species of the genus Parapoxvirus that produces lesions similar to those of cowpox and orf on the udders and teats of milk cows. Paravaccinia may be transmitted to humans during milking, producing purple nodules on the fingers or adjacent areas; the lesions break down and crust and heal without scarring.
Former name for Pseudocowpox virus.Synonym(s): milkers' nodules
paravaccinia/para·vac·cin·ia/ (-vak-sin´e-ah) an infection due to the paravaccinia virus, producing papular, and later vesicular, pustular, and scabular, lesions on the udders and teats of milk cows, the oral mucosa of suckling calves, and the hands of humans milking infected cows.
a synonym for parapoxvirus.