"In a way, South America has grow to be a brand new epicenter for the illness", Dr Mike Ryan, the WHO's prime emergencies knowledgeable, informed a press convention on Friday, noting that Brazil is "clearly probably the most affected".
US President Donald Trump on Monday made the surprise announcement that he is taking hydroxychloroquine, despite his own government experts saying it is not suitable for fighting coronavirus.
Brazil was the sixth country in the world with the most deaths, behind the US, UK, Italy, Spain and France, and has surpassed the 10,000 fatalities mark less than two months after the confirmation of the first on March 17.
At least 3.38 lakh people have died so far.
The country of 210 million people has had a disjointed response to the pandemic.
"The majority of the cases are from the Sao Paulo region", said Ryan.
About half of African countries are experiencing community transmission of the virus, the World Health Organization said.
As the toll mounts, grave-diggers at a cemetrey outside Sao Paulo were scrambling to keep up.
"We've been working 12-hour days, burying them one after the other", said one worker at Vila Formosa, wearing a white protective suit, mask and face shield.
Trump on Friday labeled churches and other houses of worship as "essential" and called on governors nationwide to let them reopen immediately this weekend even though some areas remain under coronavirus lockdown.
As governors generally have the power to order openings and closings, it was not clear whether Trump had any authority to force them to remove restrictions on worship services.
China's National Health Commission said it confirmed zero new cases of the virus on Saturday - a first since the country began tallying infections in January - and reported only two suspected cases, one of them imported from overseas.
As U.S. begin to emerge gradually from lockdown, governments elsewhere were still struggling to balance measures to halt the virus and stave off a possible second wave of infections, with moves to reopen their battered economies.
Britain confirmed yesterday that it would impose a 14-day quarantine on worldwide arrivals in addition to its ongoing social distancing rules.
"The seriously ill are building up".
"Amazing, isn't it? Just two days ago this same Golikova said the epidemic had nearly passed", tweeted Kira Yarmysh, spokeswoman for leading opposition politician Alexei Navalny.