No need to get!Suitable for nasal injection vaccines at the age of 3-17, 7 types of people cannot be vaccinated

Around November each year, my country will enter the high incidence of influenza. Before that, it can be vaccinated by ourselves to be infected with influenza, which can greatly reduce the risk of influenza virus and cause complications. The good news is that this year, the nasal injection flu vaccine has been arranged, and the vaccination clinic in each area of ​​the city can be sprayed.

Nasal spray flu vaccine changes not only to take over

Acupuncture influenza vaccine is an inactivated vaccine. The virus is used in a physical or chemical method to cause the virus to lose its pathogenic ability but retain antigenicity. The nasal injection vaccine is a poisoning live vaccine. After cultivating and purifying the living influenza virus, it weakens its toxic force. It has no pathogenic ability but can stimulate the human body to produce antibodies.

Acupuncture flu vaccine is inoculated through muscle injection. The process of nasal injection flu vaccine simulation the natural infection of the human body is sprayed in the nasal cavity and has no needle non -invasive.

In fact, nasal injection flu vaccines are not new. The use of nasal injection vaccines has been used abroad for a long time. Developed countries such as the United States and the European Union have been approved in 2003 and 2012. The United Kingdom, Finland and other countries recommend priority to vaccination of nasal injection influenza and drug reduction vaccines. Globally, the nasal injection flu vaccine has been used hundreds of millions of doses, and the safety has been fully verified.

Like other vaccines, a adverse reaction may also occur in the vaccination of the nasal injection flu vaccine, but most of them are symptoms such as fever, nasal congestion, runny nose, headache, etc. generally do not need to be treated, and they can subscribe by themselves. Individual fever exceeding 38.5 ° C, or allergic reactions such as rash, should go to the hospital for treatment in time.

Actual use confirmed effective

Nasal injection vaccine contains three types of poisonous influenza virus strains: H3N2, H1N1 and Victoria. After inoculation, the three strains are restricted to the nasopharynx due to temperature sensitivity. Antibodies can also induce cell -mediated immune reactions, but the strain does not enter the human body's respiratory tract.

During the influenza season of 2016-2017, a random, double-blindness, and control test of children aged 3-17 in the eastern region of my country showed that the effectiveness of the nasal flu vaccine for all sub-type influenza was 62.5% (95% CI: 27.6 ~ 80.6%).

Specific information of nasal spray flu vaccination

Although nasal spray flu vaccines are good, 7 types of people cannot be vaccinated

1. Those who are known to be allergic to any component contained in this product;

2. Those who have acute attacks and fever of acute diseases, severe chronic diseases, chronic diseases;

3. Patients with Leigh syndrome with aspirin or aspirin drugs;

4. Those who are immune defects, low immune function or immunosuppressive treatment;

5. Those who suffer from uncontrolled epilepsy and other patients with sexual system have a history of Greenbari syndrome;

6. Patients with rhinitis;

7. Taboo crowd stipulated in other vaccine instructions.

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Author: Wu Linlin

Edit: Li Chenzhen

Editor in charge: Tang Wenjia

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*Wenhui exclusive manuscript, please indicate the source for reprinting.

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