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A health worker shows a vaccination card before giving a dose of the Sinovac COVID-19 vaccine to resident in Manila, the Philippines on May 1, 2021. (Xinhua/Rouelle Umali)
A health worker shows a vaccination card before giving a dose of the Sinovac COVID-19 vaccine to resident in Manila, the Philippines on May 1, 2021. (Xinhua/Rouelle Umali)