Covid update: USA worst spike; favipiravir drug study; UP cities’ wedding curbs

From a study on the efficacy of drug favipiravir, to some cities bordering Delhi reimposing some curbs - here are the top news updates on the Covid-19 pandemic. As India's national capital faces a third wave of infections, neighbouring Noida and Ghaziabad reimposed restrictions on wedding events, stipulating that not more than 100 people can attend the functions. Researchers studying the drug favipiravir said that it showed positive results in the treatment of mild to moderate cases. In international news, the United States of America set a new grim record by recording 1.94 lakh new cases on November 20. Watch the full video for the other top updates on the spread of the Sars-CoV-2 coronavirus.