• Effectiveness of two and three doses of COVID-19 mRNA vaccines against infection, symptoms, and severity in the pre-omicron era: A time-dependent gradient 

      Layan, Sukik; Chemaitelly, Hiam; Ayoub, Houssein H.; Coyle, Peter; Tang, Patrick; ... more authors ( Elsevier , 2024 , Article)
      BackgroundVaccines were developed and deployed to combat severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. This study aimed to characterize patterns in the protection provided by the BNT162b2 and ...
    • SARS-COV-2 REINFECTION 

      ALHUSSAINI, NOUR WALEED (2022 , Master Thesis)
      Background: SARS-CoV-2 reinfection investigation is on rise, and despite the fact that reviews and studies have attempted to study and define reinfection, none have compared it with all documented conditions in the literature. ...