or old ageFlying squirrels ??? particularly in southern U.S.Clinical PresentationThe incubation period for most rickettsioses ranges from 3-14 daysMost patients develop nonspecific symptoms and signsOnset of disease is sudden in about half of the cases Fever and headache are the most commonly reported symptoms, but chills, myalgias, arthralgias, malaise, and anorexia also are notedRash (maculopap