摘要:Results of tests made in 1964 confirm the previous findings that live oral vaccine, prepared from streptomycin-dependent strains of shigellae, confers a strong, type-specific protection against acute bacillary dysentery. This vaccine did not reduce the carrier rate of shigellae. Observations on soldiers treated with a vaccine of Shigella flexneri serotypes 2a and 3 combined revealed no antagonizing effects from the type 3 component upon the protective effect of the 2a component contained in the same vaccine. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (562K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 375 376 377 378 379 380