Antibodies of the IgG, IgM, and IgA classes in newborn and adult sera reactive with gram-negative bacteria

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Abstract

Umbilical cord serum and adult serum antibodies reactive with heat-stable somatic antigens of Gram-negative bacteria (Neisseria gonorrhoeae, Escherichia coli, and Salmonella typhosa) were assayed by using an indirect fluorescent antibody test. Reactive IgG, IgM, and IgA antibodies were identified by using fluoresceinconjugated antisera specific for these immunoglobulin classes.

Authors

Irun R. Cohen, Leslie C. Norins