A pedastrian wearing face mask as he walks past graffiti in Mumbai, India, on Tuesday, April 27, 2021. India's spike in virus numbers has prompted state governments to impose movement curbs, which in turn have tamped down economic activity as well as stoked price pressures because of broken supply chains. Photographer: Dhiraj Singh/BloombergPhotographer: Dhiraj Singh/Bloomberg
Covid-19 has strained societies the world over. Bloomberg

How to stop the next pandemic in its tracks