![](http://www.alamy.com/thumbs/6/2097F3C9-8955-4804-B960-628CAFD97C9E/2H309HK.jpg)
Residents scan QR code to enter a designated hospital for nucleic acid testing in Beijing, China. 25-Oct-2021
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Photo credit: © Lou-Foto / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: acid, app, apps, beijing, china, chinese, code, covid, covid-19, data, epidemic, health, nucleic, pandemic, prevention, qr, testing