text: <unk>  must be differentiated from various rash-causing conditions like Coxsackievirus, Stevens-Johnson syndrome (SJS), measles, rubella, Rocky mountain spotted fever and syphilis.
option_0: Chickenpox differential diagnosis
option_1: Smallpox differential diagnosis
option_2: Roseola differential diagnosis
option_3: Chickenpox risk factors
option_4: Smallpox risk factors
option_5: Impetigo differential diagnosis
option_6: Onychomycosis risk factors
option_7: Tularemia differential diagnosis