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Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a new emerging coronavirus that caused coronavirus disease 2019 (COVID-19). Whole-genome tracking of SARS-CoV-2 enhanced our understanding of the mechanism of the disease, control, and prevention of COVID-19.
Methods: we analyzed 3368 SARS-CoV-2 protein sequences from Iran and compared them with 15.6 million global sequences in the GISAID database, using the Wuhan-Hu-1 strain as a reference.
Results: Our investigation revealed that NSP12-P323L, ORF9c-G50N, NSP14-I42V, membrane-A63T, Q19E, and NSP3-G489S were found to be the most frequent mutations among Iranian SARS-CoV-2 sequences. Furthermore, it was observed that more than 94% of the SARS-CoV-2 genome, including NSP7, NSP8, NSP9, NSP10, NSP11, and ORF8, had no mutations when compared to the Wuhan-Hu-1 strain. Finally, our data indicated that the ORF3a-T24I, NSP3-G489S, NSP5-P132H, NSP14-I42V, envelope-T9I, nucleocapsid-D3L, membrane-Q19E, and membrane-A63T mutations might be responsible factors for the surge in the SARS-CoV-2 Omicron variant wave in Iran.
Conclusions: real-time genomic surveillance is crucial for detecting new SARS-CoV-2 variants, updating diagnostic tools, designing vaccines, and understanding adaptation to new environments.
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http://dx.doi.org/10.3390/v16081331 | DOI Listing |
Int J Environ Health Res
September 2025
Department of Research, Unidad Médica de Alta Especialidad, Hospital de Especialidades, Instituto Mexicano del Seguro Social (IMSS), Veracruz, Mexico.
Little is known about the biomarkers of mortality in SARS-CoV-2-infected patients without a previous diagnosis of diabetes. Thus, this study aimed to assess the fibrinogen-to-platelet ratio (FPR) and compare its predictive value with the main biomarkers for COVID-19 mortality, such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), leukocyte glucose index (LGI), and lactate dehydrogenase (LDH)/lymphocyte ratio. This retrospective cohort study in a population of Mexico included 70 non-diabetic patients with COVID-19 from 1 May 2020 to 30 September 2020.
View Article and Find Full Text PDFHum Vaccin Immunother
December 2025
Vaccine Evaluation Center, British Columbia Children's Hospital Research Institute, Vancouver, Canada.
Young adults in their 20s have shown slower uptake of COVID-19 vaccines relative to older adults, potentially endangering themselves and their communities. Despite this, little vaccine communication has specifically targeted this age group. This study explored why "20-somethings" in British Columbia (BC), Canada delayed COVID-19 vaccination, and how to better encourage their vaccine uptake.
View Article and Find Full Text PDFCurr Med Chem
September 2025
Laboratory of Molecular Basis of Action of physiologically active compounds, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, Moscow, Russia.
Introduction: Chemotherapy remains essential despite advances in immunotherapy, radiotherapy, and biological therapy. However, the wide range of chemical drugs is limited by a narrow therapeutic index, low selectivity, and the development of resistance. In this regard, new high-efficiency drugs are in extremely high demand.
View Article and Find Full Text PDFThe COVID-19 pandemic required healthcare organizations to rapidly upskill workers to care for critically ill patients. An integrative review focused on the upskilling of nurses during the pandemic identified themes of strategies, benefits, and challenges of rapid upskilling. Understanding the effectiveness, satisfaction, and challenges of upskilling efforts during COVID-19 can help healthcare organizations prepare for future emergencies by improving workforce readiness and response strategies.
View Article and Find Full Text PDFReprod Health
September 2025
Department of Sexual and Reproductive Health including UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, World Health Organization, Avenue Appia 20, 1211, Geneva, Switzerland.
Background: The COVID-19 pandemic disrupted the provision of sexual and reproductive health services, including contraceptive and family planning (FP) services. The World Health Organization conducted a multi-country study in India, Nigeria and Tanzania to assess the impact of the pandemic on the health system's capacity to provide contraceptive and FP services. In this paper, we share the results of a qualitative study aimed at understanding clients' perspectives at the primary healthcare level on accessing contraceptive services in COVID-19-affected areas in the three aforementioned countries.
View Article and Find Full Text PDF