title: Virulence of Shigella strains isolated from dysenteric patients and symptomless carriers.
mesh_terms: D000818:Animals; D002353:Carrier State / Q000382:microbiology*; D002648:Child; D002675:Child, Preschool; D003228:Conjunctiva / Q000382:microbiology; D004405:Dysentery, Bacillary / Q000382:microbiology*; D006168:Guinea Pigs; D006801:Humans; D008722:Methods; D012762:Shigella dysenteriae / Q000302:isolation & purification / Q000472:pathogenicity*; D012764:Shigella sonnei / Q000302:isolation & purification / Q000472:pathogenicity*