Bangladesh’s Bhasan Char island conducted an oral cholera immunization campaign from February 27 through late March, targeting 30,000 Rohingya over age 1. Health workers administered the first dose February 27-March 1 in 25 centers, with the second dose several weeks later. In 2021, a diarrheal disease outbreak on the island affected 1,500 people, killing four. Daily Sun; The Daily Star