Initial treatment/isolation is based on clinical suspicion; testing is normally performed in conjunction with recommendations by local public health experts
PCR is the preferred testing method for<unk> , and can only be performed in public health laboratories.<unk>  IgM testing is frequently falsely positive and is not recommended
Providers should consider<unk>  in patients with FEVER AND a descending RASH in a person with a history of travel or contact with someone who has travelled outside North America whether or not the patient has had 2 doses of MMR or prior<unk>  disease. However, persons without a history of travel or exposure to a traveler, are unlikely to have<unk>  in the absence of confirmed<unk>  cases in your community.
Measles
Atopic dermatitis
Smallpox
Bed bugs
Scabies
Contact dermatitis
Rat bite fever
Drug rash