![A Covid-19 themed mural in Chennai, eastern India. The pandemic contributed to millions of deaths and disrupted global economies. EPA](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/X4ZYSPQDKPDUUPGOAHK4277744.jpg?smart=true&auth=8b42619e1dc7a7a2e3d045cc6019cb5909084c66f8801a623f05df616bedeaa1&width=400&height=225)
A Covid-19 themed mural in Chennai, eastern India. The pandemic contributed to millions of deaths and disrupted global economies. EPA
A Covid-19 themed mural in Chennai, eastern India. The pandemic contributed to millions of deaths and disrupted global economies. EPA
Disease X: Is world ready for the next pandemic?
A pathogen that is not yet known to cause disease in people could begin infecting humans in vast numbers, say experts