Many species of<unk> can cause illnesses in humans (Table 4-18). The term “rickettsiae” conventionally embraces a polyphyletic group of microorganisms in the class Proteobacteria, comprising species belonging to the genera<unk>  Orientia, Ehrlichia, Anaplasma, Neo-rickettsia, Coxiella, and Bartonella.
Rickettsial infections
Hantavirus infection
Coronavirus risk factors
Foodborne Illness
COVID-19 Nephrologic Complications
Naegleria infection
Pneumococcal infections
Athlete's heart changes