[Viral hepatitis--a world health problem].
D000349:Africa; D001208:Asia; D004196:Disease Outbreaks / Q000453:epidemiology; D005060:Europe; D006525:Hepatitis, Viral, Human / Q000453:epidemiology* / Q000401:mortality / Q000635:transmission; D006801:Humans; D009656:North America
Virusnyĭ gepatit--aktual'naia problema mirovogo zdravookhraneniia.