Flu vaccination coverage in Belgium 2018, by region

The flu vaccine is recommended by the Supreme Council of Health in Belgium. However, the vaccination coverage in Belgium was unevenly spread throughout the country's regions in 2018. During that period, Belgians living in Flanders had a higher vaccine coverage than Belgians living in the Brussels-Capital Region.

However, the lowest coverage was found in Wallonia in 2018. Indeed, roughly 21 percent of Walloon respondents had been at least once vaccinated against influenza during that period. When the results are weighted to represent the entire population of Belgium, this represents 15 percent of the entire population of Wallonia. In other words, it is estimated that 15 percent of Belgians living in Wallonia have been vaccinated against influenza at least once in their lifetime.

Share of Belgians who have once been vaccinated against influenza in 2018, by region

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Release date

October 2019



Survey time period


Number of respondents

11,349 respondents

Method of interview

Face-to-face interview

Supplementary notes

This question was phrased in French by the source as follows: "Avez-vous déjà été vacciné(e) contre la grippe?" which translates as: Have you ever been vaccined against the flu?

**The results have been weighted to represent the entire population of Belgium using a logistic regression by age and/or gender.

No proof of vaccine has been requested. Therefore, the figures are based on the respondent's statement.

The number of respondents varied by region as follows:

Flanders: 4,274 respondents
Brussels-capital: 3,083 respondents
Wallonia: 4,198 respondents

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Statistics on "Influenza in the U.S."

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