INDIA'S MASSIVE COVID SURGE PUZZLES SCIENTISTS

The virus is spreading faster than ever before in India despite previous high infection rates in megacities, which should have conferred some protection. Ahead of a lockdown imposed on 14 April, migrant workers queue at a railway station to depart the city of Mumbai. The virus is spreading faster than ever before in India despite previous high infection rates in megacities, which should have conferred some protection.

Automated summary

The virus is spreading rapidly in India, despite high infection rates in previous megacities that were expected to provide some protection.