New technologies have given us new ways to control diseases - crucial to fighting the COVID pandemic, and future global outbreaks, says the World Health Organization's Chief Scientist.

WHO Deputy Director-General for Programmes (DDP) Soumya Swaminathan speaking with members of the South Sudanese refugee community at the Almanar Health Center in Mayo, Khartoum. (February 2018), by WHO Sudan/Simon van Woerden