Discussion Although only 34% of the Belgian population stated that they were definitively ready to be vaccinated against COVID-19 before the start of the vaccination campaign, Belgium achieved the seventh highest vaccination coverage for the primary vaccination course in the European Union (with 89% of individuals over 18 years old having completed their primary course on 8 April 2022).15 16 22 Nevertheless, despite this high rate and free vaccination, important SD and SE disparities in...