[ON THE ROLE OF BIRDS IN CIRCULATING THE PATHOGEN OF TICK TYPHUS IN NATURE].
D000818:Animals; D001715:Bird Diseases; D001717:Birds; D003140:Communicable Disease Control; D012281:Rickettsia; D012426:Russia; D012800:Siberia; D013987:Ticks; D014438:Typhus, Epidemic Louse-Borne; D014586:USSR; D015047:Zoonoses
BIRD DISEASES; COMMUNICABLE DISEASE CONTROL; RICKETTSIA; RUSSIAN FEDERATION (ASIA); TYPHUS; USSR; ZOONOSES
O ROLI PTITS V TSIRKULIATSII VOZBUDITELIA KLESHCHEVOGO SYPNOGO TIFA V PRIRODE.