Brazil's death toll hits 20,047 as fears grow Latin America could become the pandemic's next epicentre.
Countries including Mexico, Chile and Peru are also struggling to contain major outbreaks.
UK arrivals could face fines if they break isolation rules that are set to be announced.
But Australia says its travellers should be exempt from the planned two-week quarantine.
The plan to reopen schools in England on 1 June is questioned by local councils.
UK government borrowing reaches £62.1bn ($75.8bn) in April, a record high.
Globally, there have been 5.1 million confirmed cases and nearly 333,000 deaths.
|