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Recent developments in SARS-CoV-2 vaccines: A systematic review of the current studies.
Sadeghalvad, Mona; Mansourabadi, Amir Hossein; Noori, Maryam; Nejadghaderi, Seyed Aria; Masoomikarimi, Masoomeh; Alimohammadi, Masoumeh; Rezaei, Nima.
  • Sadeghalvad M; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
  • Mansourabadi AH; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
  • Noori M; Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
  • Nejadghaderi SA; Urology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
  • Masoomikarimi M; Systematic Review and Meta-Analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
  • Alimohammadi M; School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  • Rezaei N; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
Rev Med Virol ; : e2359, 2022 May 01.
Article in English | MEDLINE | ID: covidwho-2244774
ABSTRACT
Designing and manufacturing efficient vaccines against coronavirus disease 2019 (COVID-19) is a major objective. In this systematic review, we aimed to evaluate the most important vaccines under construction worldwide, their efficiencies and clinical results in healthy individuals and in those with specific underlying diseases. We conducted a comprehensive search in PubMed, Scopus, EMBASE, and Web of Sciences by 1 December 2021 to identify published research studies. The inclusion criteria were publications that evaluated the immune responses and safety of COVID-19 vaccines in healthy individuals and in those with pre-existing diseases. We also searched the VAERS database to estimate the incidence of adverse events of special interest (AESI) post COVID-19 vaccination. Almost all investigated vaccines were well tolerated and developed good levels of both humoural and cellular responses. A protective and efficient humoural immune response develops after the second or third dose of vaccine and a longer interval (about 28 days) between the first and second injections of vaccine could induce higher antibody responses. The vaccines were less immunogenic in immunocompromised patients, particularly those with haematological malignancies. In addition, we found that venous and arterial thrombotic events, Bell's palsy, and myocarditis/pericarditis were the most common AESI. The results showed the potency of the SARS-CoV-2 vaccines to protect subjects against disease. The provision of further effective and safe vaccines is necessary in order to reach a high coverage of immunisation programs across the globe and to provide protection against infection itself.
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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies / Observational study / Prognostic study / Reviews / Systematic review/Meta Analysis Topics: Long Covid / Vaccines Language: English Journal: Rev Med Virol Journal subject: Virology Year: 2022 Document Type: Article Affiliation country: Rmv.2359

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies / Observational study / Prognostic study / Reviews / Systematic review/Meta Analysis Topics: Long Covid / Vaccines Language: English Journal: Rev Med Virol Journal subject: Virology Year: 2022 Document Type: Article Affiliation country: Rmv.2359