A survey by the Indian Council of Medical Research (ICMR) that found two-thirds of the people in 70 districts had acquired antibodies against Covid-19 has sparked a debate on herd immunity.
The ICMR serological survey, which gives the authorities and epidemiologists an indication of the virus' spread and is extrapolated to the situation across India, was conducted in June and July.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you
