Orf

Alternate Name:

Test:

Electron microscopy of vesicle fluid (+), lesion mi­croscopy (granulomatous reaction), specific core­plement fixing antibodies (+)

Sign:

Dd:

Milkers' warts, anthrax, tularaemia, TB inocula­tion, cowpox

Phys:

Disease of sheep and goats. Hard vesicles oh hands and arms that break down to crusting sores