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Protection of COVID-19 Vaccination Against Hospitalization During the Era of Omicron BA.4 and BA.5 Predominance: A Nationwide Case-Control Study Based on the French National Health Data System.

Laura SemenzatoJérémie BottonStéphane Le VuMarie-Joëlle JabagiFrançois CuenotJérôme DrouinRosemary Dray-SpiraAlain WeillMahmoud Zureik
Published in: Open forum infectious diseases (2023)
In the era of Omicron BA.4 and BA.5 predominance, primary vaccination still conferred protection against COVID-19 hospitalization, while booster doses provided an additional time-limited protection. The second booster had no additional protection in case of infection since the first booster.
Keyphrases
  • coronavirus disease
  • sars cov
  • machine learning