By Disease Name > Cow Pox

Pox virus

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Orthopox

•variola (smallpox)
•vaccinia
•cowpox – always painful, and local LAN, patients are systemically ill until the eschar stage; scarring is common  (vs. milker’s nodule – not painful, and adenopathy is rare)

Parapox

•molluscum

 

farmyard pox – collective term for orf and milkers’ nodule because both are related parapoxviruses of sheep and cattle with identical clinical and histologic features:   usually a solitary lesion on the finger;  resolves in one month without treatment (symptoms are milder than cowpox)

•orf (ecthyma contagiosum) a misnomer in a sense because it is not contagious from person to person – sheep or goat farmers
•milker’s nodule (AKA pseudocowpox or paravaccinia) – milkers or veterinarians

 

mnemonic:  parapox gives you paravaccinia and the "milder" diseases vs. orthopox with are "O" so serious

 

 

Poxviruses – intracytoplasmic inclusions

Herpes viruses – intranuclear inclusions