title: [Anthropogenic transformation of the environment and morbidity of infections with natural focality in the Ul'ianovsk region].
authors.affiliation: Regional Center for State Sanitary and Epidemiological Surveillance, Ulyanovsk, Russia.
authors.forename: A A
authors.initials: AA
authors.lastname: Nafeev
mesh_terms: D000818:Animals; D001096:Arachnid Vectors; D001899:Borrelia Infections / Q000453:epidemiology* / Q000382:microbiology / Q000517:prevention & control; D004197:Disease Reservoirs; D004669:Encephalitis Viruses, Tick-Borne / Q000302:isolation & purification / Q000472:pathogenicity*; D004675:Encephalitis, Tick-Borne / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology; D004777:Environment; D018063:Hantaan virus / Q000302:isolation & purification / Q000472:pathogenicity*; D006480:Hemorrhagic Fever with Renal Syndrome / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology; D006801:Humans; D015994:Incidence; D009017:Morbidity; D009115:Muridae / Q000821:virology*; D015995:Prevalence; D012426:Russia / Q000453:epidemiology; D017282:Tick-Borne Diseases / Q000453:epidemiology* / Q000382:microbiology / Q000517:prevention & control / Q000821:virology; D013987:Ticks / Q000382:microbiology* / Q000821:virology*