Global coronavirus cases have surged past 25 million, according to the to the Johns Hopkins University on Sunday.
The university's tracker said 842,702 people have died from the virus worldwide.
India on Sunday reported 78,761 new COVID-19 cases in the past 24 hours, a dramatic world record that brings the country's caseload to over 3.5 million - the world's highest after US and Brazil.
India also reported 948 deaths, bringing the country's death toll to over 63,000.
The surge in infections comes as the country reopens its subway networks and allows sports and religious events from next month as part of efforts to revive the economy.
In Europe, new coronavirus cases in Greece exceeded 10,000, and more than half of them were reported this month, Greek health authorities announced Sunday.
Over the past day, there have been 157 new cases confirmed, of which 41 were international arrivals.
In France, the education minister said not all classrooms can safely reopen Tuesday as cases rise.
France reported 5,453 new daily infections Saturday, compared to several hundred a day in May and June.
Since mid-July, one million additional cases were recorded every four days, according to an AFP tally.
The world's worst affected region is Latin America and the Caribbean (7,222,153 cases and 273,887 deaths), followed by Canada and the US (6,088,321 cases and 191,910 deaths), Asia (5,060,936 cases and 96,124 deaths), Europe (3,911,286 cases and 214,995 deaths), the Middle East (1,479,598 cases and 35,959 deaths) and Africa (1,238,149 cases and 29,399 deaths).
Oceania (28,807 cases and 641 deaths ) is the least affected continent.
The pace of the pandemic has spread is particularly fast in Argentina. The Latin-American country's infection rate was 35% higher than last week, with the total number of infections passing 400,000 on Saturday.
People in Buenos Aires protested last Monday against confinement measures but the government on Friday tightened rules by banning public gatherings in public spaces until September 20.
With the uptick in cases, countries are implementing tougher coronavirus measures, such as compulsory mask wearing outdoors in Paris.
Protests against COVID-19 restrictions took place in Paris, London and Zurich with the biggest demonstration in Berlin.
Around 38,000 people marched in the rally in the Germany capital. But it was quickly dispersed after demonstrators failed to adhere to safety measures. Some 300 protesters were arrested and clashes were reported in parts of the city.