Students wait to receive COVID-19 vaccines in Bangkok, Thailand, on Oct. 4, 2021. Thailand on Monday began to vaccinate students aged 12-18 for the new semester, which will start in November. (Photo by Rachen Sageamsak/Xinhua)
A student receives a dose of the COVID-19 vaccine in Bangkok, Thailand, on Oct. 4, 2021. Thailand on Monday began to vaccinate students aged 12-18 for the new semester, which will start in November. (Photo by Rachen Sageamsak/Xinhua)
Students wait to receive COVID-19 vaccines in Bangkok, Thailand, on Oct. 4, 2021. Thailand on Monday began to vaccinate students aged 12-18 for the new semester, which will start in November. (Photo by Rachen Sageamsak/Xinhua)
A student receives a dose of the COVID-19 vaccine in Bangkok, Thailand, on Oct. 4, 2021. Thailand on Monday began to vaccinate students aged 12-18 for the new semester, which will start in November. (Photo by Rachen Sageamsak/Xinhua)