The US has imposed travel restrictions on foreign nationals who have been in Brazil in the last 14 days.
Cases have grown exponentially in Brazil and it now has the second highest number of cases globally.
Brazil's President Jair Bolsonaro has repeatedly downplayed the risks posed by the virus.
Meanwhile the US is nearing the milestone of 100,000 deaths - it already has more than 1.6m cases.
In the UK, a political row is intensifying as PM Boris Johnson defends a key aide who travelled during lockdown.
Japanese PM Shinzo Abe could lift restrictions on Tokyo and other regions as early as Monday as the virus spread slows.
Austria's president has apologised for breaking coronavirus rules by staying at a restaurant for longer than allowed.
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