People wear masks in the street of New York, the US (Photo: Xinhua/VNA)

The US has been the hardest-hit by the pandemic with nearly 300,000 deaths and 15.5 million infection cases, followed by India and Brazil.

Europe is imposing lockdowns to squash the new wave of the coronavirus. Italy reported 634 coronavirus-related deaths on Tuesday, bringing the number to 61,000 COVID-19 fatalities since its outbreak in February.