Milker's nodule

Milker's nodule
Other namesMilkmaid blisters
Human skin infection of paravaccinia virus.
SpecialtyInfectious diseases 

Milker's nodules are a cutaneous condition that is most commonly transmitted from the udders of infected cows.:393 Milker's nodule is caused by Paravaccinia virus. The disease in humans is nearly identical to Orf.