A COVID-19 patient in the intensive care unit of the Alberto Sabogal Sologuren Hospital, in Lima. Peru has tightened a lockdown in part because ICU beds have been filling to capacity.

A COVID-19 patient remains in the Intensive Care Unit of the Alberto Sabogal Sologuren Hospital, in Lima, on December 11, 2020, amid the new coronavirus pandemic. (Photo by ERNESTO BENAVIDES / AFP) (Photo by ERNESTO BENAVIDES/AFP via Getty Images)