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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua
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.Photo:Xinhua