A medical worker prepares a dose of COVID-19 vaccine at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Zhao Zishuo)
A medical worker prepares a dose of COVID-19 vaccine at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
Medical workers register the information of couriers at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
Couriers queue up to get administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Zhao Zishuo)
Couriers queue up to get administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
Couriers who get administered against COVID-19 stay under observation at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
Couriers come to a vaccination site to get administered against COVID-19 in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Sun Fanyue)
A medical worker takes a rest at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
A courier presses the site of injection with a cotton swab to stop bleeding after getting administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
Couriers register information before getting administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Li Ran)
A courier gets administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Zhao Zishuo)
Couriers get administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Sun Fanyue)
A medical worker takes a rest at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Sun Fanyue)
Medical workers check the information of vaccination at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Sun Fanyue)
Couriers register information before getting administered against COVID-19 at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Zhao Zishuo)
A medical worker administers a dose of COVID-19 vaccine to a courier at a vaccination site in Nankai District, north China's Tianjin, May 12, 2021. A temporary vaccination site was launched to administer the second dose of COVID-19 vaccine for more than 1,000 deliverymen at Hongqi South Road of Nankai District, north China's Tianjin. The vaccination was arranged at night, in order not to affect the couriers' delivery work during the daytime. (Xinhua/Sun Fanyue)
