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Flu surveillance system in Belgium 

Each year, a flu epidemic occurs. Three or four times a century , a pandemic takes place caused by a new influenza virus. The type of the virus that circulates and the vulnerability of the population determine the severity of the epidemic or pandemic.

That is why a flu surveillance should be organised every year. In Belgium, the Scientific Institute of Public Health (WIV-ISP) manages the existing surveillance systems, financed and controlled byf the Federation Wallonia-Brussel, the Flemish Agency for Care and Health of the Flemish Community, and the Brussels Common Community Commission.

The objectives of the flu surveillance are:

  1. To describe the epidemic over time (= to design the epidemic curve) and per age groups;
  2. To identify the circulating viruses and their main characteristics
  3. To evaluate the severity and impact of the epidemic in the population.


Epidemiological data

Nathalie Bossuyt, MD :

Viviane van Casteren, MD :

Virological data

Isabelle Thomas, DMV PhD :

Cyril Barbezange, DMV PhD :