The following is the China has completed the whole process of covid-19 vaccination for 126.4901 million people From the State Council recommended by recordtrend.com. And this article belongs to the classification: novel coronavirus.
Recently, the joint prevention and control mechanism of the State Council held a press conference in Beijing to introduce the safety and effectiveness of covid-19 vaccine. According to Zeng Yixin, deputy director of the National Health Commission, head of the vaccine research and development special class of the scientific research team and academician of the Chinese Academy of Sciences, as of July 22, 31 provinces (cities, districts) and Xinjiang production and Construction Corps have reported a total of 3416.727 million doses of covid-19 vaccine, with a total number of vaccinations reaching 1298.636 million, and the coverage rate of the first dose of vaccination was 92.1%.
Among them, 126.4901 million people have been vaccinated in the whole process, and the vaccination rate has reached 89.7%; 797.985 million people were vaccinated, and the vaccination rate was 71.7%. Overall, the vaccination rate is relatively high.
The vaccination rate of at least one dose of vaccine over 60 years old was 89.6%, the proportion of whole course vaccination of basic immunization reached 84.7%, and the rate of enhanced immunization reached 67.3%.
The vaccination of the elderly is further subdivided. The vaccination rate of at least one dose of vaccine aged 60-69 is 91.8%, and the whole process vaccination rate of basic immunization is 89.1%; The vaccination rate of at least one dose of vaccine at the age of 70-79 was 92.7%, and the whole vaccination rate of basic immunization was 87.1%; The vaccination rate of at least one dose of vaccine for people over 80 years old reached 73.5%, and the whole vaccination rate of basic immunization was 61%.
In terms of enhanced vaccination, the enhanced vaccination rates of 60-69 years old, 70-79 years old and over 80 years old were 72.8%, 69.9% and 38.4% respectively.
Wang Fusheng, director of the Department of infectious diseases medicine of the fifth medical center of the PLA General Hospital and academician of the Chinese Academy of Sciences, pointed out that the study found that for infected persons aged 18 to 59 who completed the whole process of vaccination and enhanced vaccination, the risk of developing from mild to ordinary type was 63% and 65% lower than that of non vaccinated infected persons, and the risk of developing from ordinary type and below to severe type was 91% and 94% lower, respectively.
For infected persons over 60 years old who have completed the whole course of vaccination and enhanced vaccination, the risk of developing from mild to ordinary type is 73% and 82% lower than that of non vaccinated infected persons, and the risk of developing from ordinary type and below to severe type is 89% and 95% lower than that of non vaccinated infected persons, respectively.
Therefore, the vaccine in our country meets the standards set by the World Health Organization for covid-19 vaccine, that is, to prevent disease, severe disease and death.
At this press conference, China officially reported the adverse reactions after covid-19 vaccination for the first time.
According to fengzijian, executive vice president and Secretary General of the Chinese Preventive Medicine Association, as of May 30, 2022, more than 3.38 billion doses of covid-19 vaccine have been reported nationwide, and 238215 cases of adverse events after vaccination have been reported, with an overall reported incidence of 70.45/1 million.
Among the reported adverse events, general reactions accounted for 81.29%, and the incidence rate was 57.27/1 million; Abnormal reactions accounted for 5.47%, and the incidence was 3.85/1 million.
Among them, serious abnormal reactions accounted for 0.91%, and the incidence rate was 0.64/1 million; Coincidence accounted for 9.89%, and the incidence was 6.97/1 million; Psychogenic reaction accounted for 2.42%, and the incidence was 1.70/1 million; The suspected vaccination error related reaction was 0.002%, a total of 4 cases, including 2 cases of contraindication vaccination, 1 case without signing the informed consent, and 1 case of 2 doses of vaccination within 3 days.
In the general reaction, the main symptoms are local pain, redness, induration, transient fever and so on.
Among the abnormal reactions, the top five reported cases were allergic rash, 7217 cases accounting for 55.38%, 1309 cases of other allergic reactions accounting for 10.04%, 549 cases of allergic purpura accounting for 4.21%, 366 cases of anaphylactic shock accounting for 2.81%, and 290 cases of Guillain Barre syndrome accounting for 2.23%.
In general, the reporting rate of general reaction, abnormal reaction and serious abnormal reaction of covid-19 vaccine in China is lower than that of other conventional vaccines in China in 2020, including polio vaccine, measles vaccine, hepatitis B vaccine, rabies vaccine, influenza vaccine, etc. at the same time, countries that use covid-19 vaccine on a large scale in the world have not found vaccine safety problems.
These data fully show that covid-19 vaccine in China is very safe.
Wang Fusheng also explained the coupling reaction in particular.
It is reported that all reactions or events that have nothing to do with the purpose of vaccination and are suspected to be related to vaccination after vaccination are collectively called post vaccination adverse events (AEFI), including coupling reactions (also known as coupling).
Coincidence reaction or coincidence refers to that the recipient is just in the incubation period or the state before the onset of a disease when vaccinated. After vaccination, the disease happens by coincidence, but its occurrence is often not related to vaccination, and it does not belong to the category of abnormal reaction.
For example, someone is in the incubation period of infection with hepatitis B virus, and active hepatitis B occurs a few days after vaccination. This is a coincidence reaction, which can be identified through relevant testing and diagnosis.
China has a large population base. Under normal circumstances, about 600000 people in China are hospitalized for various diseases every day, and the number of deaths reported nationwide every day is about 20000. Therefore, in the process of mass vaccination, various coupling reactions are inevitable.
For this problem, we must have a clear understanding, and do not attribute some unrelated diseases to covid-19 vaccination because of timing coincidence.
Psychogenic reactions, commonly known as “psychological effects”, mainly refer to physical symptoms (somatization disorders) that are affected by psychological factors of vaccination, such as hypochondriacs.
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