Reference materials are critical in assay development for calibrating and assessing their suitability. The devasting nature of the COVID-19 pandemic and subsequent proliferation of vaccine platforms and technologies has meant that there is even a greater need for standards for immunoassay development, which are critical to assess and compare vaccines' responses. Equally important are the standards needed to control the vaccine manufacturing processes. Standardized vaccine characterization assays throughout process development are essential for a successful Chemistry, Manufacturing and Controls (CMC) strategy. In this perspective paper, we advocate for reference material incorporation into assays and their calibration to International Standards from preclinical vaccine development through control testing and provide insight into why this is necessary. We also provide information on the availability of WHO international antibody standards for CEPI-priority pathogens.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10313826 | PMC |
http://dx.doi.org/10.1038/s41541-023-00692-0 | DOI Listing |
Virology
December 2024
Institute for Vaccine Research and Development, Hokkaido University, Sapporo, 001-0021, Japan; Department of Disease Control, School of Veterinary Medicine, The University of Zambia, Lusaka, 10101, Zambia; One Health Research Center, Hokkaido University, Sapporo, 060-0818, Japan; International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan; Africa Center of Excellence for Infectious Diseases of Humans and Animals, The University of Zambia, Lusaka, 10101, Zambia. Electronic address:
Rotavirus C (RVC) causes acute gastroenteritis in neonatal piglets. Despite the clinical importance of RVC infection, the distribution and prevalence in pig populations in most African countries remains unknown. In this study, we identified RVC in Zambian pigs by metagenomic analysis.
View Article and Find Full Text PDFAsian Pac J Allergy Immunol
December 2024
Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, T hailand.
This part reviews the management of chronic cough and proposes a management algorithm. Despite proven improvements in quality of life following chronic cough treatment, a clear understanding of the disease and the evidence for the efficacy of some treatments remain vague. Eight key questions regarding the treatment in the uncertain areas were systematically addressed based on the PICO framework and applying the GRADE system for evidence synthesis to provide the strength of recommendation and quality of evidence for key questions, with narrative components for the description of other chronic cough treatment including non-pharmacological therapy.
View Article and Find Full Text PDFAsian Pac J Allergy Immunol
December 2024
Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, T hailand.
Chronic cough is a common clinical condition requiring comprehensive assessment. This review employs a symptom-focused approach, prioritizing the presenting symptom of "chronic cough" to mirror real-world clinical practice. Ten key questions regarding the investigations in the uncertain areas were systematically addressed based on the PICO framework and applying the GRADE system for evidence synthesis to provide the strength of recommendation and quality of evidence for key questions.
View Article and Find Full Text PDFVet Res
January 2025
College of Veterinary Medicine, Jeonbuk National University, Iksan Campus, Iksan, 54596, Republic of Korea.
Fowl typhoid (FT) poses a significant threat to the poultry industry and can cause substantial economic losses, especially in developing regions. Caused by Salmonella Gallinarum (SG), vaccination can prevent FT. However, existing vaccines, like the SG9R strain, have limitations, including residual virulence and potential reversion of pathogenicity.
View Article and Find Full Text PDFJ Infect
January 2025
Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 50603, Malaysia. Electronic address:
Objective: To evaluate the long-term humoral immune response to Nipah virus (NiV) in a cohort of 25 survivors after 25 years of post-infection.
Methods: A total of 25 survivors of NiV infection from the 1998 outbreak were recruited for sample collection. The serum IgG antibody response to NiV antigens, specifically nucleocapsid (N), fusion glycoprotein (F) and attachment glycoprotein (G) was evaluated using ELISA.
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