Can the sampling code be intercepted?

Of course. After the collection code of nucleic acid detection is generated, the mobile phone can take screenshots and save them in advance. When nucleic acid detection and collection, the mobile phone displays the collection code, and the staff can scan the code to sample. Screenshots can also be printed on paper in advance and shown to the staff to scan the code. Before sampling, be sure to prepare a mobile phone screen capture or print a paper version of the acquisition code.

Generation method of collection code for residents without smart phones: family members, village cadres and volunteers declare on their behalf, and my collection code appears through WeChat scanning. Click "Re-declare" and follow the prompts to fill in the operation, which will help others to generate the collection code, save the screen shot or print it into a paper version for later use.

In some places, paper health certificates can also be issued by communities or designated hospitals, and the effect is equivalent to "health code". For example, in Shanghai, Jiangsu and other places, people who don't have smart phones can be audited by the local community and stamped with the official seal, and a health pass can be issued, valid for 14 days.