Originally broadcast live on 22 May 2020, the daily press briefing on coronavirus COVID-19, direct from WHO Headquarters, Geneva Switzerland with Dr Tedros WHO Director-General, Dr Micheal Ryan, Executive Director of the Health Emergencies Programme, and Dr Maria Van Kerkhove,…

Herd immunity is the indirect protection from a contagious infectious disease that happens when a population is immune either through vaccination or immunity developed through previous infection. Subscribe for more videos: http://bit.ly/2VBpGY7 Follow Gavi on social media: Twitter: https://twitter.com/gavi Facebook:…