Pathogenicity of Shigella in healthy carriers: a study in Vientiane, Lao People's Democratic Republic.

Abstract excerpt

Shigella spp. isolated from diarrheal patients and non-diarrheal carriers were examined by PCR for the presence of two pathogenic genes, chromosomal ipaH and invasive plasmid encoded ial. Shigella spp. were detected in 7 of 72 diarrheal cases examined (9.7%), and 9 of 145 non-diarrheal cases (6.2%). All isolates from diarrheal cases harbored both ipaH and ial, while all isolates from non-diarrheal cases were...

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