A healthcare worker processes people in line at a United Memorial Medical Center COVID-19 testing site on Nov. 19, in Houston. Texas is rushing thousands of additional medical staff to overworked hospitals as the number of hospitalized COVID-19 patients increases.

A healthcare worker processes people waiting in line at a United Memorial Medical Center COVID-19 testing site Thursday, Nov. 19, 2020, in Houston. Texas is rushing thousands of additional medical staff to overworked hospitals as the number of hospitalized COVID-19 patients increases. (AP Photo/David J. Phillip)