Novel coronavirus vaccination questions the latest answers!

What are the new vaccines in China? A at present, five vaccines (three inactivated vaccines, one adenovirus vector vaccine and one recombinant protein vaccine) have been conditionally marketed or urgently used in China

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With the progress of research and development, vaccines of other technical routes will be launched one after another to provide more choices for the public

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Is it necessary to get the novel coronavirus vaccine? A: very necessary! Novel coronavirus pneumonia is a new infectious disease mainly spread by respiratory droplets and close contacts

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Almost all people in our country have no immunity against the new coronavirus, almost all people are susceptible to the new coronavirus, after infection, some people will develop into critical illness

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Blocking the epidemic of novel coronavirus pneumonia needs to establish a strong crowd immune barrier

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Safe and effective vaccine is the most powerful weapon to prevent and control infectious diseases

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After vaccination, it can stimulate the human body to produce immunity against new coronavirus, and reduce the incidence, severe and death of new coronavirus

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At present, according to the requirements of “technical guidelines for new coronavirus vaccination (First Edition)”, in the absence of vaccination contraindications, citizens and friends can get the new coronavirus vaccine as soon as possible

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Is Xinguan vaccine safe? A: there are very strict management regulations in the whole process of vaccine research and development, testing, approval, marketing, storage, transportation and vaccination, so the general public can be assured of vaccination( 1) Vaccine itself: at present, the new coronavirus vaccines used in China have carried out clinical research in accordance with the specifications, obtained the approval of the National Drug Administration Department, and can only be used after passing the strict identification( 2) Vaccine storage and transportation: there is a perfect vaccine cold chain system, and the storage and transportation are strictly in accordance with the specifications( 3) Vaccination process: vaccination units and medical staff have undergone professional training and strict audit, and vaccination is carried out according to the standard operation specifications( 4) Vaccine flow tracking: the state has established a national vaccine electronic traceability collaborative platform, which can trace the whole process of vaccine, the source and destination of vaccine

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A few people have swelling, induration and pain at the inoculation site after inoculation, and a few people have symptoms such as fever, fatigue, nausea, headache and muscle soreness, which usually need no treatment and can recover by themselves in 1-2 days

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What is the difference between two doses of inactivated vaccine and three doses of recombinant new coronavirus vaccine (CHO cells)? A: the production process and technical route of the two vaccines are different

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▷ the principle of new coronavirus inactivated vaccine is to use African green monkey kidney (Vero) cells to culture and amplify the virus β The virus was inactivated by propionolactone, the antigen was retained to induce immune response, and aluminum hydroxide adjuvant was added to improve the immunogenicity

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▷ the principle of recombinant new coronavirus vaccine (CHO cells) is to recombine the S protein receptor binding region (RBD) gene of new coronavirus into the gene of Chinese hamster ovary (CHO) cells, express it in vitro to form RBD dimer, and add aluminum hydroxide adjuvant to improve immunogenicity

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Its technical principle is similar to the mature hepatitis B CHO cell vaccine

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These two vaccines have been approved by the State Food and drug administration department, which have good safety and immune effect, and can play a very good protective role

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It is suggested that the public friends do not have to wait for a certain vaccine, as long as the physical conditions meet, they can be assured of vaccination

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Ask to hit first needle, appeared symptom, still can hit second needle? A: the first is to catch up with the attack of chronic diseases or acute diseases such as cold and herpes after vaccination

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For this kind of situation, we should first control and treat the disease

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When the attack period is over, or the chronic disease control is stable, we can continue to receive the second injection

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The second is the first dose of vaccination after fever, mild rash and other adverse reactions

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From the results of previous clinical trials and information collected during the use of novel coronavirus vaccine, the occurrence of common adverse reactions of novel coronavirus vaccine is basically similar to other vaccines that have been widely used

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The main causes were swelling, induration, pain, fever, fatigue, nausea, headache, muscle soreness, etc

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Usually this kind of reaction will disappear with the passage of time, without special treatment, the second injection can also be inoculated as usual

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According to the requirements of the new coronavirus vaccination technical guidelines (First Edition), the general vaccination contraindications include: (1) people who are allergic to the active ingredients, any non active ingredients and substances used in the production process of the vaccine, or people who have been allergic to the same kind of vaccine before( 2) Those who have had severe allergic reaction to vaccine in the past (such as acute allergic reaction, angioneurotic edema, dyspnea, etc.)( 3) Patients with uncontrolled epilepsy and other serious nervous system diseases (such as transverse myelitis, Guillain Barre syndrome, demyelinating diseases, etc.)( 4) Patients with fever, acute disease, acute attack of chronic disease, or uncontrolled severe chronic disease( 5) Pregnant women

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If you are not sure whether you can be vaccinated, you can tell the medical staff of the vaccination clinic (point) about your health on the spot, and the medical staff will put forward scientific and reasonable suggestions

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Ask people who seldom go out, is it necessary to get a new coronavirus vaccine? A: vaccination is also necessary for a small number of people who rarely go out

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The main function of vaccines is to establish an immune barrier to block the spread of infectious diseases

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Only when the suitable population is vaccinated can the immune barrier be established effectively

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After the new coronavirus mutates, does vaccination still work? According to the information released by the World Health Organization, there is no evidence that the virus mutation will make the existing new coronavirus vaccine ineffective

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Do you still need to wear a mask after being vaccinated with the novel coronavirus vaccine? A good mask, keeping social distance and washing hands frequently are still effective personal protective measures

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For individuals, it takes a certain amount of time for vaccine to produce protective antibodies; For the population, it will take some time for a sufficient proportion of the population to be vaccinated

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Therefore, we should not relax the vigilance of COVID-19

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At this stage, we should continue to carry out all kinds of prevention and control measures

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