Infestation with the Sarcoptes<unk>  mite
4-6 week incubation period after initial exposure
Those previously infected, symptoms begin in 1-3 days (sensitization)
Type IV hypersensitivity
Not a reflection of poor hygiene
Those previously infected, symptoms begin in 1-3 days (sensitization)
Type IV hypersensitivity
Scabies
Insect bites
Chilblains
Impetigo
Chancroid
Atopic dermatitis
Tinea
Drug rash