title: [Medical geography in study of rickettsioses].
abstract: Shorts resume of medical-geographical studies of Q-fever, tsutsugamushi fever, rickettsioses of tick-borne spotted fever is represented. Influence of biotic and abiotic factors on spread and landscape tropism of infection agents is considered. Types of focuses on endemic territories are determined, regions with high risk of infection for humans are detected.
authors.forename: N F
authors.initials: NF
authors.lastname: Fetisova