[Certain rickettsial, viral, and leptospiral diseases in Bulgaria observed during the recent years].
D002031:Bulgaria; D006801:Humans; D007919:Leptospira; D007922:Leptospirosis / Q000453:epidemiology*; D012282:Rickettsia Infections / Q000453:epidemiology*; D014777:Virus Diseases / Q000453:epidemiology*
LEPTOSPIROSIS/epidemiology; RICKETTSIAL DISEASES/epidemiology; VIRUS DISEASES/epidemiology
Vurkhu niakoi riketsiini, virusni i leptospirozni zablivaniia, nabliudavani u nas prez poslednite godini.