In August 2017, an estimated number of 671,000 Rohingya refugees arrived in Cox’s Bazar, Bangladesh, from Myanmar. This video documents the efforts of the Government of Bangladesh, with WHO support, in providing lifesaving and essential health services in one of the largest humanitarian crisis in the world. Responding to COVID-19, health partners are supporting roll out of pillar-based response based on WHO’s Strategic Preparedness and Response Plan. Setting up of Severe Acute Respiratory Illness (SARI) Isolation and Treatment Centres (ITCs) for COVID-19 patients; rolling out COVID-19 vaccination; community engagement for behavioural changes and for addressing misconceptions are among key initiatives being undertaken for these vulnerable populations.