Impact of COVID-19 vaccination and vaccine type on morbidity and mortality in hospitalized patients: a retrospective cohort study in Egypt.

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Title: Impact of COVID-19 vaccination and vaccine type on morbidity and mortality in hospitalized patients: a retrospective cohort study in Egypt.
Authors: Eisa NM; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt., El Sabaa RM; Clinical Pharmacy Department, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt., Abdelrazik SS; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Hussein RA; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Gaballah MM; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Mahmoud RS; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Kamal NM; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Ahmed M; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt., Warda AEA; Clinical Pharmacy Department, Faculty of Pharmacy, October 6 University, Giza, Egypt., El Hadidi S; Clinical Pharmacy Department, School of Life and Medical Sciences, Hertfordshire, United Kingdom., Khaled H; Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt., Salama H; Giza Memorial Institute for Ophthalmic Research, Giza, Egypt., Sami HM; Department of Pharmacy Practice, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt., Bahaa MM; Pharmacy Practice Department, Faculty of Pharmacy, Horus University, New Damietta, Egypt.; Pharmacy Practice Department, Faculty of Pharmacy, Mansoura National University, Gamasa, Egypt.; Pharmacy Practice Department, Faculty of Pharmacy, East Port Said National University, Port Said, Egypt., AlRasheed HA; Department of Pharmacy Practice, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia., Refaee ASH; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.
Source: Frontiers in microbiology [Front Microbiol] 2026 Feb 27; Vol. 17, pp. 1792503. Date of Electronic Publication: 2026 Feb 27 (Print Publication: 2026).
Publication Type: Journal Article
Journal Info: Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101548977 Publication Model: eCollection Cited Medium: Print ISSN: 1664-302X (Print) Linking ISSN: 1664302X NLM ISO Abbreviation: Front Microbiol Subsets: PubMed not MEDLINE
Database: MEDLINE Ultimate
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  Data: Impact of COVID-19 vaccination and vaccine type on morbidity and mortality in hospitalized patients: a retrospective cohort study in Egypt.
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  Data: <searchLink fieldCode="AU" term="%22Eisa+NM%22">Eisa NM</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt.<br /><searchLink fieldCode="AU" term="%22El+Sabaa+RM%22">El Sabaa RM</searchLink>; Clinical Pharmacy Department, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt.<br /><searchLink fieldCode="AU" term="%22Abdelrazik+SS%22">Abdelrazik SS</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Hussein+RA%22">Hussein RA</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Gaballah+MM%22">Gaballah MM</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Mahmoud+RS%22">Mahmoud RS</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Kamal+NM%22">Kamal NM</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Ahmed+M%22">Ahmed M</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Warda+AEA%22">Warda AEA</searchLink>; Clinical Pharmacy Department, Faculty of Pharmacy, October 6 University, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22El+Hadidi+S%22">El Hadidi S</searchLink>; Clinical Pharmacy Department, School of Life and Medical Sciences, Hertfordshire, United Kingdom.<br /><searchLink fieldCode="AU" term="%22Khaled+H%22">Khaled H</searchLink>; Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt.<br /><searchLink fieldCode="AU" term="%22Salama+H%22">Salama H</searchLink>; Giza Memorial Institute for Ophthalmic Research, Giza, Egypt.<br /><searchLink fieldCode="AU" term="%22Sami+HM%22">Sami HM</searchLink>; Department of Pharmacy Practice, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt.<br /><searchLink fieldCode="AU" term="%22Bahaa+MM%22">Bahaa MM</searchLink>; Pharmacy Practice Department, Faculty of Pharmacy, Horus University, New Damietta, Egypt.; Pharmacy Practice Department, Faculty of Pharmacy, Mansoura National University, Gamasa, Egypt.; Pharmacy Practice Department, Faculty of Pharmacy, East Port Said National University, Port Said, Egypt.<br /><searchLink fieldCode="AU" term="%22AlRasheed+HA%22">AlRasheed HA</searchLink>; Department of Pharmacy Practice, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.<br /><searchLink fieldCode="AU" term="%22Refaee+ASH%22">Refaee ASH</searchLink>; Clinical Research Department at Giza Health Affairs Directorate, MOHP, Giza, Egypt.
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              Text: 2026 Feb 27
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