Summary of latest developments.
Brazil's health minister says for the first time that lockdowns may be needed to contain virus amid record high infections and deaths.
Poland postpones its May 10 presidential election after lockdown throws preparations for the poll into disarray.
In a reversal from earlier statements, US President Donald Trump says the emergency taskforce handling his administration's response to the coronavirus outbreak will not be be wound down and will instead continue its work "indefinitely".
Globally, more than 3.7 million people have been confirmed infected with the new coronavirus so far, and more than 260,000 have died, according to data compiled by Johns Hopkins University.
Here are latest developments:
Russia reports new record in daily rise of cases.
Russia recorded 11,231 new coronavirus cases, a record daily rise that raised the case total to 177,160.
Russia's coronavirus taskforce said 88 people died overnight, bringing the death toll to 1,625.
Moscow, the worst-hit area, also reported a record overnight case increase of 6,703 new cases.
Moscow's mayor Sergei Sobyanin said that the case total was rising in Moscow because the amount of testing had stepped up.
China says it opposes US, others trying to politicise COVID-19.
China said it supports World Health Organization efforts to investigate the origin of the pandemic, and opposes attempts by the US and some other countries to politicise the issue and attack Beijing.
Chinese foreign ministry spokeswoman Hua Chunying, asked about US President Donald Trump's comments comparing the outbreak to Pearl Harbor and the 9/11 attacks, said the enemy the US faced was the coronavirus and not China.
Singapore reports 741 new cases, taking total to 20,939.
Singapore reported 741 new coronavirus cases, its health ministry said, bringing the total number of cases to 20,939.
The vast majority of the new cases are migrant workers living in dormitories, the health ministry said in a statement. Five are permanent residents.
Merkel's chief of staff: Pandemic to last at least for rest of year.
The pandemic will last for at least the rest of this year, German Chancellor Angela Merkel's chief of staff told Deutschlandfunk radio.
"We are not living after the pandemic now - rather we are living in the middle of a pandemic, one that will be with us for a while - at least for this year and that's being very optimistic," Helge Braun said.
Merkel announced steps on Wednesday to ease the lockdown in Germany but at the same time launched an "emergency brake" mechanism allowing for renewed restrictions in case infections pick up again.
Thailand records three new cases, no new deaths.
Thailand reported three new coronavirus cases, bringing its total to 2,992, a senior official said.
Of the new cases, two were Thai men who had returned from Kazakhstan and have been in state quarantine, said Taweesin Wisanuyothin, a spokesman of the government's Centre for COVID-19 Situation Administration.
The third case was a 59-year-old Thai woman in the southern province of Yala, he said.
Source: News Agencies.