Changing patient population in Dhaka Hospital and Matlab Hospital of icddr,b

The Diarrhoeal Disease Surveillance System of icddr,b noted increasing number of patients ≥60 years at urban Dhaka and rural Matlab from 2001 to 2012. Shigella and Vibrio cholerae were more frequently isolated from elderly people than children under 5 years and adults aged 5–59 in both areas. The resistance observed to various drugs of Shigella in Dhaka and Matlab was trimethoprim–sulphamethoxazole (72–63%), ampicillin (43–55%), nalidixic acid (58–61%), mecillinam (12–9%), azithromycin (13–0%), ciprofloxacin (11–13%) and ceftriaxone (11–0%). Vibrio cholerae isolated in Dhaka and Matlab was resistant to trimethoprim–sulphamethoxazole (98–94%) , furazolidone (100%), erythromycin (71–53%), tetracycline (46–44%), ciprofloxacin (3–10%) and azithromycin (3–0%).