India Coronavirus Dispatch: The reasons behind Delhi's 'third wave'

New airport guidelines, fresh research that sheds light on the virus, link between Covid-19 and heart damage and more-news on how the country is coping with the pandemic

Why Delhi is seeing its ‘third wave’ of Covid-19: Infections in Delhi have been surging. The national capital saw its highest single-day count on Wednesday. Experts say the rise could be due to a combination of factors including the festive season, more pollution, and a drop in temperatures. 

Delhi's rise in infections comes in contrast to other states with high caseloads such as Maharashtra and Karnataka. In these states, the infection counts have stayed put over the last week or so. Overall, India's daily caseload has been seeing a downward trend since September.

After temperatures dropped to 10 degrees Celsius on Tuesday,