According to Rober Redfield , there were 19 to 20 states in the US that had suffered `` limited impact '' and President Trump aimed at re-opening them by 1 May .
The Brazilian Health Secretary Wanderson de Oliveira resigns following disagreements between President Jair Bolsonaro and Health Minister Henrique Mandetta over Brazil 's handing of the coronavirus pandemic.
Timeline of the 2019–20 coronavirus pandemic in April 2020