title: Phage typing of Shigella flexneri. II. Epidemiological observations.
mesh_terms: D001434:Bacteriophage Typing; D003428:Cross Infection / Q000382:microbiology; D004196:Disease Outbreaks; D004405:Dysentery, Bacillary / Q000382:microbiology*; D004812:Epidemiologic Methods; D006801:Humans; D006814:Hungary; D012703:Serotyping; D012763:Shigella flexneri / Q000145:classification*