Half-year protection period of the COVID-19 vaccine? Response from disease control experts

  • 2021-03-14
  • 1506

   How long is the protection period of the new crown vaccine? Recently, Pang Xinghuo, deputy director of the Beijing Municipal Center for Disease Control and Prevention, said in an interview with reporters that the protection period of the new crown vaccine is not only half a year, but because the time for vaccination is still very short. At present, there are only half a year's data. At present, relevant departments are continuing to collect data on the antibody level of the vaccinated population, and closely monitor the protective effect after vaccination.

Can people with chronic diseases get the new crown vaccine? Pang Xinghuo said that if chronic diseases can be controlled by drugs and the body can maintain a stable and good state, it can be vaccinated. On the contrary, no matter what kind of disease you have, if you are in the acute phase, vaccination is not recommended. 

For people with allergies, if the symptoms are mild, they can wait for the symptoms to disappear before vaccinating. If you have ever had a history of severe allergies, especially if you have had serious adverse reactions to vaccination, it is not recommended to get the new crown vaccine. Pang Xinghuo reminded that when vaccinating, you must explain your physical condition to the doctor in detail and follow the doctor's advice. 


"After vaccination with the new crown vaccine, the proportion of people with adverse reactions is very low." After vaccination, most of the vaccinators have no obvious response, and a small number of people will experience symptoms such as fatigue, local redness and swelling, and short-term fever. According to Pang Xinghuo, the relevant departments are very strict in monitoring the adverse reactions after vaccination. They are carried out through active reporting by the vaccinators or active monitoring by relevant units. "We attach importance to the report of each case of adverse reaction, carefully investigate the cause, and ensure the safety and reliability of the vaccine."


Pang Xinghuo said that vaccination is a process of antibody production. When the drug regulatory department reviews and approves the vaccine for marketing, it has strict requirements on the incidence of adverse reactions to ensure its overall safety for the vaccinated population.

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