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https://www.futura-sciences.com/sante...oujours-pas-immunite-collective-95711
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https://www.nouvelobs.com/vaccination...u-pass-vaccinal-si-pas-de-rappel.html
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https://fr.euronews.com/2021/12/16/la...ra-pas-de-prevenir-l-impact-d-omicron
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