1. Click on WeChat on your mobile phone first. 2. Find the "Provincial Center for Disease Control and Prevention" on the WeChat homepage, and click to enter. Find the adult vaccination in the lower left corner in the new interface, and click the COVID-19 vaccination registration at the top in the pop-up box. 3. Click "Next" in the new interface to pre-register information. 4. In the filing interface, if it is the first time to register, there will be a prompt to show the following changes. If it is vaccinated, you can directly delete the registration code.

Vaccination is a technology that vaccinates people or animals with vaccine preparation, so that the recipients can gain immunity against a specific or vaccine-like pathogen, and the immune system can identify foreign objects, screen and make antibodies, thus producing antibodies against this pathogen or similar pathogens, and then making the recipients have strong resistance to diseases.