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Effectiveness of a Fourth Dose of COVID-19 mRNA Vaccine Against Omicron Variant Among Elderly People in Singapore.

Celine Y TanCalvin J ChiewVernon J LeeBenjamin OngDavid Chien Boon LyeKelvin Bryan Tan
Published in: Annals of internal medicine (2022)
Keyphrases
  • coronavirus disease
  • sars cov
  • randomized controlled trial
  • systematic review
  • binding protein
  • respiratory syndrome coronavirus