Fig. 3From: Detection of Salmonella Typhi nucleic acid by RT-PCR and anti-HlyE, -CdtB, -PilL, and -Vi IgM by ELISA at sites in Ghana, Madagascar and EthiopiaIgM-ELISA by antigen, site and study subjects stratified by age group. W7 = Woreda 7; W8 = Woreda 8; FS = febrile subjects; NFS = non-febrile subjects; yrs = years; + = positivity; − = negativityBack to article page