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The coronavirus-induced disease 19 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infections, has had a devastating impact on millions of lives globally, with severe mortality rates and catastrophic social implications. Developing tools for effective vaccine strategies and platforms is essential for controlling and preventing the recurrence of such pandemics. Moreover, molecular virology tools that facilitate the study of viral pathogens, impact of viral mutations, and interactions with various host proteins are essential. Viral replicon- and virus-like particle (VLP)-based systems are excellent examples of such tools. This review outlines the importance, advantages, and disadvantages of both the replicon- and VLP-based systems that have been developed for SARS-CoV-2 and have helped the scientific community in dimming the intensity of the COVID-19 pandemic.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11633226 | PMC |
http://dx.doi.org/10.1128/mbio.03368-23 | DOI Listing |
BMC Health Serv Res
September 2025
Health Services Research, Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden.
Infect Dis Ther
September 2025
School of Biomedical Sciences, The Chinese University of Hong Kong (CUHK), Hong Kong SAR, China.
Introduction: The high mortality of Coronavirus Disease 2019 (COVID-19) highlights the need for safe and effective antiviral treatment. Small molecular antivirals (remdesivir, molnupiravir, nirmatrelvir/ritonavir) and immunomodulators (baricitinib, tocilizumab) have been developed or repurposed to suppress viral replication and ameliorate cytokine storms, respectively. Despite U.
View Article and Find Full Text PDFNeurol Sci
September 2025
Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
The rapid evolution of digital tools in recent years after COVID-19 pandemic has transformed diagnostic and therapeutic practice in neurology. This shift has highlighted the urgent need to integrate digital competencies into the training of future specialists. Key innovations such as telemedicine, artificial intelligence, and wearable health technologies have become central to improving healthcare delivery and accessibility.
View Article and Find Full Text PDFAAPS PharmSciTech
September 2025
Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
The chimpanzee adenovirus-vectored vaccine developed by the University of Oxford (ChAdOx1 nCoV-19) showed good stability when stored in refrigerator. However, the vaccine manufacturer prefers its transportation in frozen condition. Data regarding the stability of the vaccine after exposure to repeated freezing processes have not been explored yet.
View Article and Find Full Text PDFMol Syst Biol
September 2025
Centre for Individualised Infection Medicine (CiiM), a joint venture between the Helmholtz Centre for Infection Research (HZI) and Hannover Medical School (MHH), Hannover, Germany.
The complex interplay between circulating metabolites and immune responses, which is pivotal to disease pathophysiology, remains poorly understood and understudied in systematic research. Here, we performed a comprehensive analysis of the immune response and circulating metabolome in two Western European cohorts (534 and 324 healthy individuals) and one from sub-Saharan Africa (323 healthy donors). At the metabolic level, our analysis revealed sex-specific differences in the correlation between phosphatidylcholine and cytokine responses following ex vivo stimulation.
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