Covid update: Over 56% Delhiites have antibodies; Sputnik V over 90% effective

• From Sputnik V’s efficacy to Delhi’s latest serological survey report, here are the top updates on the pandemic. Russia’s Sputnik V vaccine is 91.6% effective against Covid-19, as per a study published in The Lancet. Sputnik V was approved in Russia last year, months before its final-stage clinical trials. Meanwhile, Delhi’s latest serological survey revealed that 56.13% of those under the survey have developed antibodies. Also, Delhi Chief Minister Arvind Kejriwal spoke on the possibility of the full reopening of schools. Kejriwal linked the reopening of schools to Covid-19 vaccination. Watch the full video for more updates on the pandemic.