Live attenuated Shigella flexneri mutants as vaccine candidates against shigellosis and vectors for antigen delivery.

Abstract excerpt

Up to now, no effective vaccine is available against shigellosis, a dysenteric syndrome caused by Shigella, a Gram-negative bacterium which invades the human colonic mucosa. About 40 years of research in the field have led to the conclusion that orally administered live Shigella vaccine strains are more effective in eliciting protection than killed bacteria given parenterally. Recently, the construction of...

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