25th edition, Epidemiological Bulletin WHO Health Emergencies Programme WHO Regional Office for South-East Asia‎, 17 December 2025. Reporting period: 01 - 14 Dec 2025

Overview

This epidemiological bulletin aims to provide the situation of key infectious diseases in the WHO South-East Asia region to inform risk assessments and responses. The bulletin uses information from publicly available sources and will be published every two weeks. Key highlights of the bulletin are

• New publication: Lessons from case studies of social participation and its role in the pandemic response in the WHO South-East Asia Region, 2025
• New publication: Framework and toolkit for infection prevention and control outbreak preparedness, readiness and response
• Sri Lanka: Tropical cyclone
• Thailand: Heavy rain (flash floods)
• Bangladesh/Cox’s Bazar: Rohingya crisis
• COVID-19, Influenza, MPox, Dengue