[Role of water in spreading of typhoid fever in rural areas in the N region].
D014435:Typhoid Fever / Q000635:transmission*; D014867:Water; D014871:Water Microbiology; D014881:Water Supply / Q000382:microbiology*
D014867:Water
TYPHOID FEVER/transmission; WATER SUPPLY/microbiology
Rol'vody v rasprostranenii briushnogo tifa v sel'skikh raionakh N-skoi oblasti.