A custodian walks down the corridor of a field hospital set up for COVID-19 patients in Rio de Janeiro. Brazil has emerged as a new hot spot of the coronavirus, which in a span of just three months has reached virtually every country in the world.

A custodian walks down the corridor of a field hospital set up for COVID-19 patients in Rio de Janeiro. Brazil has emerged as a new hot spot of the coronavirus, which in a span of just three months has reached virtually every country in the world.