Construction and Characterization of Genetically Defined aro omp Mutants of Enterotoxigenic Escherichia coli and Preliminary Studies of Safety and Immunogenicity in Humans

Volume 69, no. 8, p. 4969–4979, 2001. Page 4975, Table 3, column 6, lines 1 and 6 from the bottom: “MILD” should read “MOD.”