Is it necessary to get the influenza virus split vaccine?

Is it necessary to get the influenza virus split vaccine? This is a question that many people are concerned about. The answer is of course yes. The influenza virus split vaccine reduces the toxicity of the influenza virus or certain components of the influenza virus, and after the vaccine is administered, the human body will produce certain immune antibodies to the small amount of attenuated influenza virus that enters the human body. When the human body is attacked by the virus, the influenza vaccine in the body will produce antibodies to protect against influenza.

The human body that has not been vaccinated against influenza does not have antibodies to resist the influenza virus. Once infected with the influenza virus, the human body will activate the immune system and produce antibodies against the influenza virus. People who have been vaccinated against influenza save the time of producing antibodies, which makes the human body respond to the influenza virus more quickly.

Flu vaccines are used to protect against influenza. It is suitable for any healthy person who may be infected with the influenza virus. It is administered once a year before the epidemic season and immunity can last for one year. Influenza vaccine is one of the main measures to prevent and control influenza. It can reduce the chance of the vaccine recipient contracting influenza or alleviate influenza symptoms.

After influenza vaccination, protective antibodies can be quickly produced in the human body, usually taking effect within two weeks, and these antibodies can last in the human body for 1 year. However, since antibody levels decrease over time and the ingredients in the vaccine change each year for some reasons, it is necessary to get the flu vaccine for that year every year.

There are currently three main types of influenza vaccines used in my country: whole virus inactivated vaccine, split vaccine and subunit vaccine. The immune effects and side effects of these three vaccines are not much different. The vaccine recipients can choose the appropriate influenza vaccine according to their needs.

It should be noted that the flu vaccine can only prevent influenza viruses and cannot prevent the common cold. That is to say, even if you get the flu vaccine, you can still get the common cold.

Who should be vaccinated against influenza

The target population for influenza vaccination is mainly susceptible population, including:

By age: infants and toddlers aged 6-35 months; kindergarten children and primary school students; seniors over 60 years old.

By job position: staff of medical and health institutions, especially front-line staff; staff of nursing homes, elderly care institutions, and childcare institutions; service industry practitioners; people in important jobs.

Others: patients with chronic diseases and the infirm; people who frequently travel on business or abroad.

It should be noted that people who are allergic to the ingredients in the vaccine and pregnant women should not receive the influenza vaccine. If you are suffering from an acute or chronic illness, you should not get the flu vaccine.

When should you get the flu vaccine?

It is understood that the best time to get influenza vaccination is 1-2 months before the influenza epidemic.

In my country, influenza epidemics mainly occur from November of each year to around March of the following year, so influenza vaccinations are generally scheduled from September to November each year. Of course, climate change varies from place to place, so the timing of vaccination will also vary.

For example, in areas south of the Yangtze River, the weather gets cold late, so the vaccination time is concentrated in October-December; in Guangdong, vaccination starts in September and lasts to February of the following year.

Although the best time to get a flu shot is before a flu epidemic, people can still get a flu shot to get protection during a flu epidemic.

This is because the influenza vaccine can spontaneously produce antibodies 10-15 days after vaccination, so it is okay to get the influenza vaccine even during the peak influenza season in November and December. Everyone can plan the vaccination time according to their actual situation.

It should be noted that it is best to vaccinate infants and young children aged 6 months to 3 years old with influenza vaccine in advance, and it should be a child-specific vaccine. Infants and young children need to be vaccinated with the flu vaccine twice to provide optimal protection, with a month between the two doses, so parents should plan the time to give their babies the flu vaccine.