"The mandatory wearing of masks on public transport, where social distancing is not possible, should by accompanied by one very simple precaution: avoid talking and making phone calls," the French National Academy of Medicine said in a statement.
The tally of confirmed infections is 10.96 million, the second highest after the United States, with more than 156,000 deaths. But actual infections could range as high as 300 million, a government serological survey showed this month.
India suspended all incoming and outgoing international flights as well as domestic air travel in the last week of March 2020 as part of a lockdown to combat COVID-19. Flights to and from India have since been resumed in a phased manner with about two-dozen countries under "air bubbles."
Countries in Eastern Europe have reported more than 10.02 million cases and 214,691 deaths since the pandemic started. However, daily average new cases in the region have declined by about 31% in past 30 days as compared with the previous 30 days.