People line up to register before receiving COVID-19 vaccines in Jakarta, Indonesia, June 26, 2021. Indonesia has set a target of administering two million doses of the COVID-19 vaccine per day in August in efforts to curb the surge in coronavirus infections following the Eid al-Fitr holiday in May, according to President Joko Widodo on Saturday. (Photo: Xinhua)

A health worker administers a dose of COVID-19 vaccine to a woman during a mass vaccination campaign in Jakarta, Indonesia, June 26, 2021. Indonesia has set a target of administering two million doses of the COVID-19 vaccine per day in August in efforts to curb the surge in coronavirus infections following the Eid al-Fitr holiday in May, according to President Joko Widodo on Saturday. (Photo: Xinhua)

Health workers take rests during a COVID-19 mass vaccination campaign in Bali, Indonesia, June 26, 2021. Indonesia has set a target of administering two million doses of the COVID-19 vaccine per day in August in efforts to curb the surge in coronavirus infections following the Eid al-Fitr holiday in May, according to President Joko Widodo on Saturday. (Photo: Xinhua)

A health worker prepares a dose of COVID-19 vaccine during a mass vaccination campaign in Palembang, South Sumatra, Indonesia, June 26, 2021. Indonesia has set a target of administering two million doses of the COVID-19 vaccine per day in August in efforts to curb the surge in coronavirus infections following the Eid al-Fitr holiday in May, according to President Joko Widodo on Saturday. (Photo: Xinhua)