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Over 870 Covid-19 deaths have been recorded in the last 15 days in the national capital, with experts attributing it to a sudden surge in cases, deteriorating air quality, laxity by people in adhering to safety norms, among other factors.
Coronavirus cases in Delhi have registered a sudden spike since October 28 when the daily infection tally breached the 5,000-mark for the first time and it crossed the 8,000-mark on Thursday, also for the first time.
Italy has registered 37,978 new coronavirus infections over the past 24 hours, the health ministry said on Thursday, up from 32,961 on Wednesday.
The ministry also reported 636 Covid-related deaths, up from 623 the day before and the highest figure since April 6.
Three new coronavirus cases were recorded in Mumbai's Dharavi area on Thursday, civic officials said.
It took the tally in the area, known as Asia's largest slum, to 3,611.
On Wednesday, Dharavi had reported two Covid-19 cases, whereas only one case had been recorded the day before.
US government scientist Anthony Fauci said Thursday the coronavirus vaccine "cavalry" is coming but urged the public not to let down its guard, and called for a stronger WHO to ward off future pandemics.
Fauci, a world-leading expert on infectious diseases who has been at serious odds with President Donald Trump over Covid-19, said that after Pfizer's vaccine, another is "literally on the threshold of being announced".