Effectiveness of BBIBP-CorV vaccine against severe outcomes of COVID-19 in Abu Dhabi, United Arab Emirates

• DOI: 10.1038/s41467-022-30835-1
• Publication Date: 2022-06-09T10:03:35Z
• Authors: Nawal Al Kaabi; Abderrahim Oulhaj; Subhashini Ganesan; Farida Ismail Al ...; Omer Najim; Halah Ibrahim; Juan Acuna; Ahmed R. Alsuwaidi; Ashraf M. Kamour; Ashraf Alzaabi; Badreyya Ahmed Al...; Habiba Al Safar; Salah Eldin Hussein; Jehad Saleh Abdalla; Dalal Saeed Naser...; Ahmed Abdul Karee...; Mohammed A. Amari; Ahmed Khamis Al R...; Stefan Weber; Santosh Elavalli; Islam Eltantawy; Noura Khamis Algh...; Jumana Nafiz Al A...; Stephen Geoffrey ...; Mohamed Mostafa; Rabih Halwani; Hanif Khalak; Wael Elamin; Rami Beiram; Walid Zaher
• Keywords: Abu dhabi; 2019-20 coronavirus outbreak

Abstract The effectiveness of the inactivated BBIBP-CorV vaccine against severe COVID-19 outcomes (hospitalization, critical care admission and death due to COVID-19) its long-term have not been well characterized among general population. We conducted a retrospective cohort study using electronic health records 3,147,869 adults, which 1,099,886 vaccinated individuals were matched, in 1:1 ratio unvaccinated persons. A Cox-proportional hazard model with time varying coefficients was used assess adjusting for age, sex, comorbidity, ethnicity, calendar month entry into study. Our analysis showed that 79.6% (95% CI, 77.7 81.3) hospitalization, 86% 82.2 89.0) admission, 84.1% 70.8 91.3) COVID-19. these declined over indicating need booster doses increase protection outcomes.