• Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease 

      Bansal, Devendra; Abdulmajeed, Jazeel; Al-Shamali, Maha H.M.A.; Albayat, Soha S.A.; Himatt, Sayed M.; ... more authors ( MDPI , 2022 , Article)
      Waning immunity following administration of mRNA-based COVID-19 vaccines remains a concern for many health systems. We undertook a study to determine if recent reports of waning for severe disease could have been attributed ...
    • Dynamics of Anti-S IgG Antibodies Titers after the Second Dose of COVID-19 Vaccines in the Manual and Craft Worker Population of Qatar 

      Bansal, Devendra; Atia, Hassan; Al Badr, Mashael; Nour, Mohamed; Abdulmajeed, Jazeel; ... more authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)
      There is limited seroepidemiological evidence on the magnitude and long-term durability of antibody titers of mRNA and non-mRNA vaccines in the Qatari population. This study was conducted to generate evidence on long-term ...