Background: This year, the Expanded Programme on Immunization (EPI) marks its 50th year. On 24 April, WHO will release a major landmark study with the most comprehensive data on the global and regional impact of vaccinations since the launch of the programme in 1974.

Speakers:

• Dr Tedros Adhanom Ghebreyesus, WHO Director-General
• José Manuel Barroso, Gavi Board Chair
• Ephrem Tekle Lemango, Associate Director for Health, Global Chief of Immunization, UNICEF
• Violaine Mitchell, Director of the Immunization Team, Bill & Melinda Gates Foundation

WHO experts will be present to answer questions on these and other global health issues, including the health and humanitarian situation in Gaza, mpox outbreaks, and avian flu.