Kon told RTS that the numbers still show that we have no "zero" situation anywhere.
He pointed out that the creation of collective immunity without vaccination would take several years, so much is expected from the vaccine.
"Miracle is expected from a vaccine, and miracles generally don't happen", Kon pointed out.
It took six months for the world to reach 10 million confirmed cases of the coronavirus. It took just over six weeks for that number to double.
The worldwide count of known COVID-19 infections climbed past 20 million on Aug. 10, with more than half of them from just three countries: the U.S., India and Brazil, according to the tally kept by Johns Hopkins University.
Australia's Northern Territory will be closed to visitors from virus hotspots for a further 18 months to protect its large and vulnerable Aboriginal population, authorities said Tuesday.
The sparsely populated northern region is home to roughly 250,000 people -- 30 per cent of whom are Aboriginal -- according to government figures.
Russian President Vladimir Putin has announced the registration of the world's first vaccine against coronavirus infection.
"As far as I know, this morning, for the first time in the world, a vaccine against COVID-19 was registered," the president said. He added that one of his daughters has already been vaccinated and is feeling well.