Brazil has become the country with the third-highest number of confirmed coronavirus infections in the world, after registering a total of more than 250,000 cases.
Only the US and Russia have recorded more infections.
Experts say insufficient testing might mean that the real figure in Brazil could be 15 times higher.
The country’s far-right president, Jair Bolsonaro, has dismissed the risks and compared Covid-19 to “a little flu”.
His handling of the outbreak – which has included calls for lockdowns imposed by state governors to be lifted – has led to criticism and the resignation of Health Minister Nelson Teich last week.