National Surveillance Report on Influenza Trends in Bangladesh (20-Year Study)

A 20-year longitudinal surveillance study conducted by IEDCR and ICDDR,B indicates that influenza accounts for 13% of respiratory illness cases in Bangladesh. The study highlights significant health impacts, with 16,804 deaths recorded in 2011-12 and 236,380 hospitalizations in 2019, identifying April through September as the peak influenza season.