Nurse Cinthia Sanchez Gutierrez processes a rapid COVID-19 test immediately after collecting a nasal swab, in a tent set up to perform rapid coronavirus testing at the TAPO bus station in the Venustiano Carranza borough of Mexico City, Friday, Nov. 20, 2020. Mexico passed the 100,000 mark in confirmed COVID-19 deaths on Thursday, becoming only the fourth country to do so. (AP Photo/Rebecca Blackwell)

Nurse Cinthia Sanchez Gutierrez processes a rapid COVID-19 test immediately after collecting a nasal swab, in a tent set up to perform rapid coronavirus testing at the TAPO bus station in the Venustiano Carranza borough of Mexico City, Friday, Nov. 20, 2020. Mexico passed the 100,000 mark in confirmed COVID-19 deaths on Thursday, becoming only the fourth country to do so. (AP Photo/Rebecca Blackwell)