BEIJING, July 30, 2021 People wait to receive COVID-19 vaccines in Daocheng County, southwest China's Sichuan Province, July 23, 2021. Over 1.6 billion doses of COVID-19 vaccines had been administered in China as of July 28, the National Health Commission said Thursday..COVID-19 vaccines are sent from Beijing to other parts of the country every day. Lu Yanhui and Liu Si, two drivers of Sinovac Research & Development Co., Ltd., took the task of sending a batch of COVID-19 vaccines from Beijing to Ganzi Prefecture of Sichuan Province on July 20, 2021. .They took turns driving, stopping every four hours for a 20 minutes rest to ensure that the vaccines arrive as safely and quickly as possible. ''When I'm hungry, I eat snacks on the truck, and sometimes I take a bite at the service area on the expressway,'' Liu said, holding the steering wheel and staring ahead. .''This shipment is not ordinary goods. We dare not delay it for a minute.'' After nearly 40 hours of driving, Lu Yanhui and Liu Si arrived in Ganzi Prefecture of southwest China's Sichuan Province on time. (Credit Image: © Peng Ziyang/Xinhua via ZUMA Press)