2020年2月12日,澳门特别行政区一家药店外,市民排队买口罩。

Residents in a long queue to buy face masks in a pharmacy in Macao Special Administrative Region on February 12, 2020.

陈显耀 / Chen Xianyao

2020年3月10日,广东省广州市前进路,一家药房门口挂着口罩售卖信息。

A signboard alerts customers that face masks are available at a pharmacy in Qianjinlu Street, Guangzhou, capital of Guangdong Province, on March 10,2020.

刘炽棠 / Liu Chitang

2020年2月1日,香港特别行政区大围一家药房外,市民排队购买口罩。

People queuing up to buy face masks at a pharmacy in the Hong Kong Special Administrative Region on February 1,2020.

谢光磊 / Xie Guanglei

王宇澄 / Wang Yucheng

2020年2月2日,北京市东城区一家药店外,市民排队购买口罩。

Residents queue up to buy face masks at a pharmacy in Dongcheng District, Beijing, on February 2, 2020.

2020年3月6日,四川省成都市天府新区华阳街道一社区服务中心,市民排队办理健康证。

Residents keep their distance while lining up to obtain health certificate at a community center Chengdu, Sichuan Province, on March 6, 2020.

李光健 / Li Guangjian

2020年1月31日,江苏省南京市江北新区一家药店外,市民排队买口罩。

Residents queuing up to buy face masks at a pharmacy in Jiangbei New District, Nanjing, Jiangsu Province, on January 31, 2020.

范丽娜 / Fan Li'na