A medical worker prepares a shot of COVID-19 vaccine at a COVID-19 vaccination station in Macao, south China, Feb. 22, 2021. The Macao Special Administrative Region (SAR) on Monday started inoculating local residents who are not in prioritized groups with COVID-19 vaccines produced by the mainland. As of Monday, about 15,000 residents in Macao had made reservations for inoculation and over 3,000 in prioritized groups had completed the inoculation, according to the center. (Xinhua/Cheong Kam Ka)

A man receives a shot of COVID-19 vaccine at a COVID-19 vaccination station in Macao, south China, Feb. 22, 2021. The Macao Special Administrative Region (SAR) on Monday started inoculating local residents who are not in prioritized groups with COVID-19 vaccines produced by the mainland. As of Monday, about 15,000 residents in Macao had made reservations for inoculation and over 3,000 in prioritized groups had completed the inoculation, according to the center. (Xinhua/Cheong Kam Ka)

A man waits to receive COVID-19 vaccine at a COVID-19 vaccination station in Macao, south China, Feb. 22, 2021. The Macao Special Administrative Region (SAR) on Monday started inoculating local residents who are not in prioritized groups with COVID-19 vaccines produced by the mainland. As of Monday, about 15,000 residents in Macao had made reservations for inoculation and over 3,000 in prioritized groups had completed the inoculation, according to the center. (Xinhua/Cheong Kam Ka)