The global death toll from the virus surged past 106,000 on Saturday, with the United States quickly becoming the epicentre of the pandemic that first emerged in China late last year.
Italy and Spain bore the brunt of the crisis, accounting for three in every four deaths on the continent, as the grim tally hit another milestone even though half of the planet's population is already under some form of lockdown in a battle to halt contagion.
"There is currently no evidence that people who have recovered from #COVID19 and have antibodies are protected from a second infection," WHO said in a statement.
At least 256,422 people have died of the novel coronavirus since the epidemic surfaced in China late last year, according to an AFP tally. The United States is the worst-hit country, with more than 70,000 deaths, ahead of Britain where fatalities topped 32,000.
The approval is the latest step in a global push to find viable treatments and a vaccine for the coronavirus, which has left half of humanity under some form of lockdown, hammered the world economy, and infected more than 3.3 million people.
She expressed her happiness after she was welcomed at the airport. "Words fail to express my happiness and gratitude to the UAE’s government and people for their humanitarian support for me," she said.
The bill received by Robert Dennis, a Centennial High School teacher, covered Dennis' time at Denver's Sky Ridge hospital, where he was put on a ventilator in the intensive care unit for two weeks, reports Xinhua news agency.
Latin American countries are bracing for difficult weeks ahead as the disease spreads rapidly across the region, even as much of the world exits lockdowns that have wrecked economies and stripped millions of their jobs.
World leaders must not politicise the coronavirus pandemic but unite to fight it, the head of the World Health Organisation (WHO) warned on Monday, reminding all that the pandemic is still accelerating and producing record daily increases in infections.
Sergio Gor, chief of staff to the Trump campaign’s finance committee, says Guilfoyle was immediately isolated after the positive result to limit exposure. He says she will be retested to confirm the diagnosis because she isn’t showing any symptoms of COVID-19, the disease the virus causes.