Worldwide virus cases top 20 million, doubling in six weeks

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 Monday, 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.

The average number of new cases per day in the U.S. has declined in recent weeks but is still running high at over 54,000, versus almost 59,000 in India and nearly 44,000 in Brazil.

The severe and sustained crisis in the U.S. — over 5 million cases and 163,000 deaths, easily the highest totals of any country — has dismayed and surprised many around the world, given the nation’s vaunted scientific ingenuity and the head start it had over Europe and Asia to prepare.

South Africa, Colombia, Mexico, Peru, Argentina, Russia and the Philippines round out the list of the top 10 countries contributing the most new cases to the global tally since July 22, according to an Associated Press analysis of Johns Hopkins data through Monday.

The real number of people infected the virus around the world is believed to be much higher — perhaps 10 times higher in the U.S., according to the Centers for Disease Control and Prevention — given testing limitations and the many mild cases that have gone unreported or unrecognized.

In other developments, Russia on Tuesday became the first country to approve a vaccine against the virus. While a proven coronavirus vaccine would be an epic medical breakthrough, the move raised alarms among scientists because the shots have not been subjected to large-scale testing in humans. They have only been studied in dozens in people, not the thousands typically involved.

Some of the worst-hit nations have been those whose leaders have downplayed the severity of COVID-19, undercut the advice of health experts and pushed unproven remedies.

President Donald Trump, Brazil’s President Jair Bolsonaro and Mexican President Andrés Manuel López Obrador, for example, all rarely wear masks and have resisted calls for strict lockdowns. Trump and Bolsonaro have promoted the anti-malaria drug hydroxychloroquine, even though studies have shown it to be useless against the virus, with potentially deadly side effects.