Figure 2.
Mean monthly isolation of Bacteroides fragilis (BF) and enterotoxigenic B. fragilis (ETBF) during the study. Data for the month of December are from 1 year only (2004). B. fragilis and ETBF isolations were from 350 and 859 of a total of 1209 patients with diarrhea who were evaluated at the International Centre for Diarrheal Diseases Research (Dhaka, Bangladesh) and Mirpur sites (Dhaka, Bangladesh), respectively, during the study. At the International Centre for Diarrheal Diseases Research and Mirpur sites, 16–44 and 34–123 patients with diarrhea, respectively, were evaluated monthly, with the lowest number evaluated during November and the highest number evaluated during March.