The aim of this study is to comprehensively analyze previous viral vaccine programs and identify potential challenges and effective measures for the COVID-19 vaccine program. Previous viral vaccine programs, such as those for HIV, Zika, Influenza, Ebola, Dengue, SARS, and MERS, were evaluated. Paramount challenges were identified, including quasi-species, cross-reactivity, duration of immunity, revaccination, mutation, immunosenescence, and adverse events related to viral vaccines. Although a large population has been vaccinated, mutations in SARS-CoV-2 and adverse events related to vaccines pose significant challenges. Previous vaccine programs have taught us that predicting the final outcome of the current vaccine program for COVID-19 cannot be determined at a given state. Long-term follow-up studies are essential. Validated preclinical studies, long-term follow-up studies, alternative therapeutic approaches, and alternative vaccines are necessary.
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http://dx.doi.org/10.1016/j.heliyon.2023.e16813 | DOI Listing |
Lancet Reg Health Eur
December 2024
School of Health and Wellbeing, University of Glasgow, UK.
Background: Socioeconomic inequality in infant mortality in the UK is rising. This study aims to identify contributory maternal and pregnancy factors that can explain the known association between area deprivation and infant mortality.
Methods: A cohort study was conducted using Clinical Practice Research Datalink (CPRD) primary care data between 2004 and 2019 linked to the Index of Multiple Deprivation (IMD), and infant mortality from the Office for National Statistics death data.
Lancet Reg Health Eur
December 2024
World Health Organization Regional Office for Europe, Denmark.
Background: Understanding COVID-19 vaccine effectiveness (VE) in preventing severe disease is critical to inform vaccine policy. We used the test-negative design to estimate VE against SARS-CoV-2-confirmed hospitalisation in adults ≥18 years in the eastern WHO European Region.
Methods: We included patients hospitalised for severe acute respiratory infection (SARI) at sentinel surveillance sites in Albania, Georgia, Kyrgyzstan, North Macedonia, Serbia, and in Kosovo.
EClinicalMedicine
January 2025
P95 Epidemiology and Pharmacovigilance, Koning Leopold III Laan 1, Leuven 3001, Belgium.
Background: Prior studies have reported lower effectiveness of XBB.1.5-adapted vaccines against hospitalization related to the Omicron JN.
View Article and Find Full Text PDFJ Med Virol
January 2025
National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China.
Oncolytic viruses are emerging as promising cancer therapeutic agents, with several poxviruses, including vaccinia virus (VACV) and myxoma virus, showing significant potential in preclinical and clinical trials. Modified vaccinia virus Ankara (MVA), a laboratory-derived VACV strain approved by the FDA for mpox and smallpox vaccination, has been shown to be incapable of replicating in human cells unless zinc finger antiviral protein (ZAP) is repressed. Notably, ZAP deficiency is prevalent in various cancer types.
View Article and Find Full Text PDFJ Med Virol
January 2025
Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
The outbreak of clade II monkeypox virus (MPXV) and the additional outbreak in Central Africa of clade I virus from 2023 have attracted worldwide attention. The development of a scalable and effective vaccine against the ongoing epidemic of mpox is urgently needed. We previously constructed two bivalent MPXV mRNA vaccines, LBA (B6R-A29L) and LAM (A35R-M1R), and a quadrivalent mRNA vaccine, LBAAM (B6R-A35R-A29L-M1R).
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