Tuesday , October 26 2021

Influenza 2018: What vaccine users should know


Caution, syringe with a symbolic photo! Picture: imago

Hello, opponents of the vaccine – these 7 responses to the flu are especially for you

Daniel Huber / watson.ch

Many people do not want to get vaccinated – for various reasons. However, highly contagious flu ("flu") is often underestimated, because you like to confuse them with a much harmless influenza infection ("cold"). Influenza seriously weakens the immune system and may cause life-threatening complications.

Although the vaccine does not provide 100% protection against infection, it is the best flu remedy. The vaccine is most effective if it is taken before the onset of an influenza episode – preferably from mid-October to mid-November. It is recommended for those who want to protect themselves and do not want to infect others. If you are at risk (see section 5), vaccination is urgently needed.

How effective is the flu vaccine?

The vaccine can not provide absolute protection because the flu viruses mutate so that the immune system can not always detect and overcome it reliably. Efficacy also depends on which viruses circulate and whether the vaccine covers them. Coverage varies from year to year, but often exceeds 90 percent.

In addition, other factors, such as the age of the vaccine, affect the effectiveness – they are lower in the elderly. Therefore, the effectiveness of the vaccine can not be determined accurately in a given season – according to the Federal Office of Public Health (FOPH), it decreases in health
younger adults risk of disease by 70-90 percent, in seniors in the area
30-50 percent.

However, when it comes to the disease despite the vaccine, the symptoms are often
weakened. In addition, serious complications occur less frequently.

Can the vaccine cause side effects?

Yes. About one third of people who are vaccinated at the injection site have redness and slight swelling or pain. They diminish within a few hours to two days and do not require treatment.

Nausea, rash, swelling, allergic asthma or – usually with an already existing allergy – are less likely to be associated with a severe allergic reaction. If you suffer from serious side effects, you should contact your doctor.

The Guillain-Barré syndrome (GBS) is very rare Рapproximately one to one million vaccinated. However, GBS is much more common as a result of complications of influenza infection. The vaccine thus protects more against GBS than triggers. In any case, the risk that the flu causes serious complications is much greater than the serious side effects of the vaccine.

Can the vaccine cause flu?

No it is not possible. A vaccine that stimulates the immune system to produce specific antibodies consists of fragments of inactivated viruses from different strains of influenza virus. You can not cause flu.

Why do vaccinated people sometimes have flu-like symptoms?

Five reasons can lead to:

Insufficient coverage: If the vaccine does not cover fully circulating virus strains, it provides only partial protection.

Low protection: First of all, in the elderly or immunocompromised, only the immune system of the weak organism arises after vaccination and they are only partially protected. However, if they get influenza, symptoms will be less likely to cause complications.

Time of vaccination: The body's cooling down takes about two weeks. During this time, you can be infected.

Side effects of vaccination: Five to ten percent of those who are vaccinated may react with fever, muscle pain or malaise. These symptoms are usually harmless and disappear after a short time.

cold: Often, a harmless cold is confused with flu because the symptoms are similar. However, colds rarely cause complications.

Who should be vaccinated?

Persons belonging to the risk group should be vaccinated. Applies to:

  • People over 60 years old
  • Pregnant women from the second trimester (the child is also protected during the first months of life)
  • Premature babies at the age of six months in the first two flu seasons
  • chronically ill
  • overweight people with BMI over 40
  • medical staff and carers, because they have an increased risk of infection. They also have a greater risk of contracting patients.
  • Inhabitants of retirement homes and nursing homes

Where we talk about health:

Should I be immunized even though you are not at risk?

In case of contact with people staying at home or at work, who are at increased risk of complications, they should be vaccinated. How to prevent infections of such sensitive people.

In healthy children and healthy young adults, seasonal flu usually goes without complications. Her symptoms are uncomfortable. In addition, autumn vaccination can prevent, for example during winter holidays, flu.

When should you NOT get vaccinated?

People who have experienced a severe allergic reaction to any of the vaccines in the previous flu vaccine should not be vaccinated. This also applies to people who are very allergic to egg white.

If you have a high fever, you should wait with the vaccine until it disappears. Otherwise, vaccine protection may be reduced.

However, during pregnancy and lactation, the flu vaccine can be produced without hesitation. It is recommended to protect the mother and the newborn from infection with influenza.

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