Effectiveness of the pre-Omicron COVID-19 vaccines against Omicron in reducing infection, hospitalization, severity, and mortality compared to Delta and other variants: A systematic review

• Main Authors: Pradipta Paul (Author), Ahmed El-Naas (Author), Omar Hamad (Author), Mohammad A. Salameh (Author), Nada Mhaimeed (Author), Ibrahim Laswi (Author), Ali A. Abdelati (Author), Jamal AlAnni (Author), Bushra Khanjar (Author), Dana Al-Ali (Author), Krishnadev V. Pillai (Author), Abdallah Elshafeey (Author), Hasan Alroobi (Author), Zain Burney (Author), Omar Mhaimeed (Author), Mohammad Bhatti (Author), Pratyaksha Sinha (Author), Muna Almasri (Author), Ahmed Aly (Author), Khalifa Bshesh (Author), Reem Chamseddine (Author), Omar Khalil (Author), Ashton D'Souza (Author), Thanu Shree (Author), Narjis Mhaimeed (Author), Lina Yagan (Author), Dalia Zakaria (Author)
• Format: Book
• Published: Taylor & Francis Group, 2023-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Despite widespread mass rollout programs, the rapid spread of the SARS-CoV-2 Omicron variant called into question the effectiveness of the existing vaccines against infection, hospitalization, severity, and mortality compared to previous variants. This systematic review summarizes and compares the e...