Medical Definition of rickettsialpox
: a disease characterized by fever, chills, headache, backache, and a spotty rash and caused by a bacterium of the genus Rickettsia (R. akari) transmitted to humans by the bite of a mite of the genus Allodermanyssus (A. sanguineus) living on rodents (as the house mouse)
Seen and Heard
What made you want to look up rickettsialpox? Please tell us where you read or heard it (including the quote, if possible).