Children's Health

Why Vaccinated Children Can Get Sick

Zulfiya Urunova

May 30, 2024 — 1 min read

Caring for children's health is caring for the future. Vaccination plays a key role in building herd immunity, preventing the spread of viruses in society. The effectiveness of vaccines is emphasized not only in reducing the incidence of disease but also in reducing the severity of diseases, hospitalizations, and other outcomes.

From childhood, the foundation of strong immunity is formed. Vaccination becomes an integral part of caring for the health of babies. It not only provides individual protection but also helps to create a safe environment for those who cannot be vaccinated due to medical reasons.

To date, data from the Ministry of Health indicate more than 17 thousand cases of measles in Kazakhstan, with more than 82% of cases being children, including 83% of them not being vaccinated.

It is logical to assume that the remaining percentage of measles cases in Kazakhstan falls on vaccinated children. This aspect is one of the arguments that often comes up in heated discussions.

Let's consider this situation in more detail. Vaccinated people can get sick for several reasons:

First, the virus that causes the disease can change over time, creating variants to which vaccines may be less effective. This is called antigenic drift.
Second, no vaccine provides an absolute guarantee of protection. Sometimes the immunity created by the vaccine can be somewhat weakened. When vaccinated people get sick, they usually have a milder form of the disease. Symptoms may include a slight fever, fatigue, and other signs, but they rarely become severe.

If an unvaccinated child contracts measles, serious complications are possible that may appear several years after the illness. According to the Ministry of Health, measles poses a threat, as it can cause inflammation of the meninges (encephalitis - in 1-4% of cases), lung damage (pneumonia - in 1-6%), and ear inflammation (otitis media - 7-9%).

There are no specific methods for treating measles. The only reliable means of preventing this disease is timely vaccination.

Reference:

https://www.cdc.gov/vaccines/parents/visit/sick-child.html

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