Two new life attenuated vaccines have been granted this year a marketing authorization by European and American regulatory agencies. One, Rotarix, is a monovalent vaccine derived from a human strain and takes advantage of the cross-reactivity between human Rotavirus strains. The other, RotaTeq, is a pentavalent human-bovine reassortant. These 2 vaccines have been shown to have an excellent safety profile in clinical trials and are highly effective in protecting infants against severe manifestations of Rotavirus gastroenteritis. In industrialized countries, the incidence of Rotavirus infection has not been reduced by the improvement of economic and sanitary conditions and are still associated with severe morbidity and an important economic impact. When they are administered at the same time as DTPa-VHB-IPV/Hib and Pn7V vaccines, they do not interfere with the immune response against the 7 valencies included in these vaccines. The widespread use of these vaccines should allow to control Rotavirus infections in the European context.
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Rotavirus vaccine effectiveness and coverage among children younger than 5 years old in Shanghai, China: A test-negative case control study.
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Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China; Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China. Electronic address:
Objectives: The number of post-marketing studies assessing the vaccine effectiveness (VE) of the Lanzhou lamb rotavirus vaccine (LLR, licensed in 2000 exclusively in China) and the oral human attenuated pentavalent rotavirus vaccine (RotaTeq, licensed in China in 2018) in China is limited.
Methods: A test-negative case-control study based on prospective surveillance was conducted among diarrhea patients aged 5 years and younger at five hospitals in Shanghai, China. Cases and controls were defined based on the results of real-time fluorescent quantitative reverse transcription polymerase chain reaction (rRT-PCR) of fecal samples for rotavirus.
Background: Viral gastroenteritis is a significant global health concern. An effective, rapid, and easy-to-use diagnostic tool is essential for screening causative viruses.
Methods: Forty-eight samples, known to be infected with one of the following viruses: norovirus, group A rotavirus, astrovirus, adenovirus, and sapovirus determined by reverse transcription-PCR and nucleotide sequencing, were evaluated by the Fast Track Diagnostics (FTD) viral gastroenteritis assay.
Identifying risk factors for vomiting during diarrhea: A secondary analysis of a randomized trial of zinc supplementation.
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January 2025
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
Objectives: Supplemental zinc during acute diarrhea reduces illness duration but also increases vomiting. In a recent trial, we found that children receiving lower daily doses of zinc (5 mg or 10 mg vs. 20 mg) had lower rates of vomiting with comparable stool output and duration of diarrhea.
View Article and Find Full Text PDFErratum: Withdrawal notice to "Corrigendum to: 'Cryo-EM reveals architectural diversity in active Rotavirus particles'. Comput. Struct. Biotechnol. J. 2019 Jul 31; 17:1178-1183" [Comput. Struct. Biotechnol. J. 23 (2024) 3702].
Comput Struct Biotechnol J
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Department of Biomedical Engineering, Pennsylvania State University, University Park, PA 16802, USA.
[This corrects the article DOI: 10.1016/j.csbj.
View Article and Find Full Text PDFAn improved reverse genetics system for rotavirus vaccine strain LLR using five plasmid vectors.
J Gen Virol
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National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), NHC Key Laboratory for Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Beijing 100052, PR China.
Species A rotaviruses (RVs), which belong to the family and contain a genome of 11 segmented dsRNA segments, are a leading cause of severe acute gastroenteritis in infants and children younger than 5 years of age. We previously developed a strategy to recover rotavirus vaccine strain LLR from 11 cloned plasmids. Here, we report an improved reverse genetics system for LLR by combining two or three transcriptional cassettes in a single plasmid, which substantially enhances rescue efficiency from 66.
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