| dot-elisa for seroepidemiological study of exposure to shigella flexneri. | a seroepidemiological study for determining serum antibodies to lipopolysaccharides (lps) of shigella flexneri using dot--elisa was carried out in krabi province, thailand, from january 1989 to december 1990. from 363 serum samples obtained from cord blood and from venous blood of the healthy persons aged from 6 months to over 50 years, 56% and 22%, respectively, were found to be positive for specific igg and igm antibodies to s. flexneri lps. the igg prevalence was initially detected at 3-4 yea ... | 1993 | 8080607 |