What's the difference between two shots and three shots of COVID-19 vaccine?

1, different types: recombinant protein vaccine needs three needles, inactivated vaccine needs two needles. No matter what kind of vaccine, the effect is the same as that of the applicable population, and it has been approved by the drug supervision department before it is listed. Its safety and effectiveness are supported by certain data, so you can safely inoculate.

2. The times of vaccination are different: if the adenovirus vector vaccine is injected, it can be immunized by a single injection without a second injection. However, if you choose inactivated vaccine, you need to inoculate two shots, the second shot can be finished within 3-8 weeks after the first shot, the recombinant protein vaccine needs to be injected with three shots, the second shot is more than 4 weeks and 8 weeks after the first shot, and the third shot is more than 4 weeks and 6 months after the first shot.

Precautions for Vaccination in COVID-19

During the operation, if the first dose of vaccine causes severe allergic reaction, it cannot be ruled out that it is caused by vaccine, and it is not recommended to vaccinate the second dose. To understand the ingredients of the vaccine, people who were allergic to the ingredients of the vaccine in the past should not be vaccinated.

When vaccinating, the vaccinator should carefully ask the health status and past allergic history of the recipient. The recipient should truthfully report the health status, disease history and allergy history to the vaccination doctor. Informed consent should include vaccine contraindications.

The above contents refer to People's Daily Online-Ten Questions and Ten Answers on Vaccination in COVID-19.