Prevalence of anti-SARS-CoV-2 antibodies in the general population in Belgium : Results of the second data collection (28/09/21-23/02/22)

Last updated on 21-4-2022 by Nayema Van den Houte

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KEY FINDINGS Between the last period of wave 1 (14/06-11/07) and the first period of wave 2 (27/09-24/10) the percentage of adults (18 years or older) with anti-SARS-CoV-2 antibodies has increased from 69.5% to 90.4%. This substantial increase is in line with the intensive vaccination campaign during this time period. During the second period of wave 2 (25/10-21/11) the prevalence increased further to 92.9%. Among the fully vaccinated having received the last dose (eventually a booster) in the past 3 months (but more than 2 weeks ago), the prevalence of anti-SARS-CoV-2 antibodies wa…

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