People receive COVID-19 vaccine at a vaccination center in Colombo, Sri Lanka, Aug. 1, 2021. Sri Lankan authorities on Sunday set up several vaccination centers across the Western Province which includes capital Colombo to administer the second doses of the AstraZeneca vaccines after over 700,000 doses arrived in the country on Saturday. (Photo by Ajith Perera/Xinhua)
People receive COVID-19 vaccine at a vaccination center in Colombo, Sri Lanka, Aug. 1, 2021. Sri Lankan authorities on Sunday set up several vaccination centers across the Western Province which includes capital Colombo to administer the second doses of the AstraZeneca vaccines after over 700,000 doses arrived in the country on Saturday. (Photo by Ajith Perera/Xinhua)
People queue up to receive COVID-19 vaccine in Colombo, Sri Lanka, Aug. 1, 2021. Sri Lankan authorities on Sunday set up several vaccination centers across the Western Province which includes capital Colombo to administer the second doses of the AstraZeneca vaccines after over 700,000 doses arrived in the country on Saturday. (Photo by Ajith Perera/Xinhua)
A woman receives a dose of COVID-19 vaccine at a vaccination center in Colombo, Sri Lanka, Aug. 1, 2021. Sri Lankan authorities on Sunday set up several vaccination centers across the Western Province which includes capital Colombo to administer the second doses of the AstraZeneca vaccines after over 700,000 doses arrived in the country on Saturday. (Photo by Ajith Perera/Xinhua)