Assessing SARS-CoV-2 vaccine effectiveness in health workers: a cohort study conducted during the pandemic decline phase in five hospitals, affiliated to Al-Azhar University, Egypt

A cohort study was conducted with the support of the WHO, where a standardized WHO protocol was followed to assess vaccine effectiveness (VE) against symptomatic RT‒PCR confirmed SARS‒CoV-2 infection among hospital health workers (HWs) eligible for vaccination at Al-Azhar University hospitals.

Bibliographic Details

Main Authors:	Said, Zeinab Nabil Ahmed (Author) , Salama, Iman I. (Author) , Zaky, Samy (Author) , El Shazly, Sumaya H. (Author) , Elzahaby, Amagd A. (Author) , El azhary, Shaaban Salah (Author) , El-Raey, Fathiya (Author) , Eid, Khaled A. (Author) , Rushdi, Areej (Author) , Ghamry, Aya (Author) , Kamhawy, Arwa (Author) , El-Nasser, Asmaa M. (Author) , El-hariri, Hazem M. (Author) , Salama, Somaia I. (Author) , Elshaarawy, Ghada A. (Author) , Ahmed, Doaa E. (Author) , Eldeeb, Sherif E. (Author) , Saleh, Rehan (Author) , Elmosalami, Dalia M (Author) , Elshemy, Eman (Author) , Elgendy, Naglaa A. (Author) , Abdelmageed Abdelmageed, Neamat (Author) , Eid, Alshaimaa M. M. (Author) , Mohammed, Shaymaa M (Author) , Alim, Alshaymaa A. Abdel (Author) , Ahmed, Ahmed E. (Author) , Kadah, Ahmed S. (Author) , Shaheen, Mohamed A. (Author) , Elshafei, Abdou Mabrouk (Author) , Bayoumy, Ibrahim Metwally (Author) , Abobakr, Badawy W. (Author) , Heggazy, Mohamed Mousa (Author) , Ghazy, Ahmed M. (Author) , Ashry, Walaa M. O. (Author) , Elrifai, Atef W. (Author) , Haridy, Mustafa A. (Author) , Abdelrazzak, Emad (Author) , Hassan, Amro M. (Author) , Mohammed, Ahmed Qasem (Author) , Abdelmola, Omran Mohamed (Author) , Sawy, Safwat Salama (Author) , Karimian, Zahra (Author) , Kheirandish, Mehrnaz (Author) , Fahmy, Kamal (Author) , Rashidian, Arash (Author) , Seddik, Mahmoud (Author)
Format:	Article (Journal)
Language:	English
Published:	26 September 2025
In:	BMC infectious diseases Year: 2025, Volume: 25, Pages: 1-19
ISSN:	1471-2334
DOI:	10.1186/s12879-025-11446-9
Online Access:	Verlag, kostenfrei, Volltext: https://doi.org/10.1186/s12879-025-11446-9
Author Notes:	Zeinab Nabil Ahmed Said, Iman I. Salama, Samy Zaky, Sumaya H. El Shazly, Amagd A. Elzahaby, Shaaban Salah El azhary, Fathiya El-Raey, Khaled A. Eid, Areej Rushdi, Aya Ghamry, Arwa Kamhawy, Asmaa M. El-Nasser, Hazem M. El-hariri, Somaia I. Salama, Ghada A. Elshaarawy, Doaa E. Ahmed, Sherif E. Eldeeb, Rehan Saleh, Dalia M Elmosalami, Eman Elshemy, Naglaa A. Elgendy, Neamat Abdelmageed Abdelmageed, Alshaimaa M.M. Eid, Shaymaa M. Mohammed, Alshaymaa A. Abdel Alim, Ahmed E. Ahmed, Ahmed S. Kadah, Mohamed A. Shaheen, Abdou Mabrouk Elshafei, Ibrahim Metwally Bayoumy, Badawy W. Abobakr, Mohamed Mousa Heggazy, Ahmed M. Ghazy, Walaa M.O. Ashry, Atef W. Elrifai, Mustafa A. Haridy, Emad Abdelrazzak, Amro M. Hassan, Ahmed Qasem Mohammed, Omran Mohamed Abdelmola, Safwat Salama Sawy, Zahra Karimian, Mehrnaz Kheirandish, Kamal Fahmy, Arash Rashidian and Mahmoud Seddik