Three shots vaccine joke

Since the appearance of COVID-19, it has brought many influences on people's life and study. COVID-19 came in 2020, and now it is 202 1 year. COVID-19 still exists. China is actively guarding against the epidemic, and there are so many great men rushing to the forefront to protect the people. But abroad, the epidemic situation is not optimistic!

COVID-19 vaccine. COVID-19 vaccine was developed in 2020. After numerous experiments by laboratory researchers and personal experiments by countless volunteers, it was finally put into the human body.

China now implements the principle of free and voluntary vaccination against COVID-19. Many countries in the world have not reached this standard. We should be happy and proud to live in such a peaceful and beautiful country as China! For example, the epidemic situation in COVID-19, India, has deteriorated and a large number of people have died. The Indian people are very stubborn and superstitious and can't solve the epidemic problem!

Some COVID-19 vaccines only need one shot. I have to get COVID-19 vaccine twice, and some students get COVID-19 vaccine three times, but now COVID-19 vaccine has appeared and is being implemented.

According to the Shanghai CDC, since May 13, all districts in Shanghai have started to supply recombinant COVID-19 vaccine with adenovirus vector, with only one shot. This vaccine was jointly developed by Kangxinuo Bio and Academician Chen Wei.

Why do most vaccines need to be vaccinated twice or three times? After COVID-19 vaccine was inoculated once, the corresponding antibodies were gradually formed in the body. About 28 days after the first vaccination with COVID-19 vaccine, the second vaccination with COVID-19 vaccine will be chosen. In this way, for some batches of vaccines, people will produce long-term antibodies, that is, under normal circumstances, people will not be infected with COVID-19 virus!

Some COVID-19 vaccines will be vaccinated for the third time because different batches have different levels of antibody formation. I hope everyone will actively vaccinate COVID-19 vaccine, and thank the scientific research personnel and medical staff for their dedication. Thank you for coming forward at the most critical moment. Thank you!