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Definition of Rickettsialpox
1. Noun. Mild infectious rickettsial disease caused by a bacterium of the genus Rickettsia transmitted to humans by the bite a mite that lives on rodents; characterized by chills and fever and headache and skin lesions that resemble chickenpox.
Medical Definition of Rickettsialpox
1. A mild infectious disease first observed in new york city caused by rickettsia akari, transmitted from its mouse host by chigger or adult mite bites. There is fever, a dark spot that becomes a small ulcer at the site of the bite, swollen glands (lymphadenopathy) in that region, and a raised blistery (vesicular) rash. Also known as vesicular rickettsiosis. (12 Dec 1998)