Aerial photo shows citizens waiting in line to receive the COVID-19 vaccines developed by Chinese pharmaceutical company Sinovac at a vaccination site in Ecatepec, Mexico, Feb. 22, 2021. Mexican health authorities on Monday began to vaccinate older adults with a COVID-19 vaccine developed by Chinese pharmaceutical company Sinovac, after a shipment of doses arrived on Saturday. Mexico's government designated the first shipment of the Sinovac vaccine to arrive in Ecatepec, a city in central State of Mexico that lies on the outskirts of the capital Mexico City. Early in the day, brigades of healthcare workers began to administer the vaccine to hundreds of residents aged 60 and over who went to the Las Americas cultural and sports center to get vaccinated. (Photo by Francisco Canedo/Xinhua)
