People who have not been vaccinated with the first dose of the new crown vaccine in 2022 are still able to book a vaccination appointment at a local qualified vaccination clinic. The new crown vaccination is the most economical, effective and scientific preventive and control measures to stop the spread of the virus, China has been free vaccination for the whole population since 2020, which has a positive significance for the prevention and control of the new crown epidemic in China. People who have not been vaccinated with the first dose of the new crown vaccine in 2022 can still make an appointment at the local qualified vaccination clinic to be vaccinated. The new crown vaccine should be given throughout the vaccination in order to have a good preventive effect, and at the same time, it is also necessary to continue to do a good job of personal protective measures, including maintaining a social distance, wearing a mask, paying attention to hand hygiene, diligent ventilation, etc..