Physicians and nurses wear personal protective equipment while they attend to a COVID-19 patient in the ICU at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, Calif. on December 18, 2020.

Physicians and nurses wear personal protective equipment (PPE) while they attend to a Covid-19 patient in the Intensive Care Unit (ICU) at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California on December 18, 2020. (Photo by Apu GOMES / AFP) (Photo by APU GOMES/AFP via Getty Images)