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Hoa-Tran TN, Nakagomi T, Vu HM, Nguyen TTT, Dao ATH, Nguyen AT, Bines JE, Thomas S, Grabovac V, Kataoka-Nakamura C, Taichiro T, Hasebe F, Kodama T, Kaneko M, Dang HTT, Duong HT, Anh DD, Nakagomi O. Evolution of DS-1-like G8P[8] rotavirus A strains from Vietnamese children with acute gastroenteritis (2014-21): Adaptation and loss of animal rotavirus-derived genes during human-to-human spread. Virus Evol 2024; 10:veae045. [PMID: 38952820 PMCID: PMC11215986 DOI: 10.1093/ve/veae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 05/27/2024] [Accepted: 06/21/2024] [Indexed: 07/03/2024] Open
Abstract
Animal rotaviruses A (RVAs) are considered the source of emerging, novel RVA strains that have the potential to cause global spread in humans. A case in point was the emergence of G8 bovine RVA consisting of the P[8] VP4 gene and the DS-1-like backbone genes that appeared to have jumped into humans recently. However, it was not well documented what evolutionary changes occurred on the animal RVA-derived genes during circulation in humans. Rotavirus surveillance in Vietnam found that DS-1-like G8P[8] strains emerged in 2014, circulated in two prevalent waves, and disappeared in 2021. This surveillance provided us with a unique opportunity to investigate the whole process of evolutionary changes, which occurred in an animal RVA that had jumped the host species barrier. Of the 843 G8P[8] samples collected from children with acute diarrhoea in Vietnam between 2014 and 2021, fifty-eight strains were selected based on their distinctive electropherotypes of the genomic RNA identified using polyacrylamide gel electrophoresis. Whole-genome sequence analysis of those fifty-eight strains showed that the strains dominant during the first wave of prevalence (2014-17) carried animal RVA-derived VP1, NSP2, and NSP4 genes. However, the strains from the second wave of prevalence (2018-21) lost these genes, which were replaced with cognate human RVA-derived genes, thus creating strain with G8P[8] on a fully DS-1-like human RVA gene backbone. The G8 VP7 and P[8] VP4 genes underwent some point mutations but the phylogenetic lineages to which they belonged remained unchanged. We, therefore, propose a hypothesis regarding the tendency for the animal RVA-derived genes to be expelled from the backbone genes of the progeny strains after crossing the host species barrier. This study underlines the importance of long-term surveillance of circulating wild-type strains in order to better understand the adaptation process and the fate of newly emerging, animal-derived RVA among the human population. Further studies are warranted to disclose the molecular mechanisms by which spillover animal RVAs become readily transmissible among humans, and the roles played by the expulsion of animal-derived genes and herd immunity formed in the local population.
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Affiliation(s)
- Thi Nguyen Hoa-Tran
- Department of Virology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Toyoko Nakagomi
- Department of Hygiene and Molecular Epidemiology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
| | - Hung Manh Vu
- Department of Virology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Trang Thu Thi Nguyen
- Department of Virology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Anh Thi Hai Dao
- Department of Virology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Anh The Nguyen
- Department of Virology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Julie E Bines
- Enteric Diseases Group, Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria 3052, Australia
| | - Sarah Thomas
- Enteric Diseases Group, Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria 3052, Australia
| | - Varja Grabovac
- Vaccine-Preventable Diseases and Immunization Unit, Division of Programmes for Disease Control, World Health Organization Regional Office for the Western Pacific, Manila 1000, Philippines
| | - Chikako Kataoka-Nakamura
- Center Surveillance Division, The Research Foundation for Microbial Diseases of Osaka University, Osaka 768-0065, Japan
| | - Takemura Taichiro
- Vietnam Research Station, Institute of Tropical Medicine, Nagasaki University, Nagasaki 852-8523, Japan
- Vietnam Research Station, National Institute of Hygiene and Epidemiology-Nagasaki University, Hanoi 100000, Vietnam
| | - Futoshi Hasebe
- Vietnam Research Station, Institute of Tropical Medicine, Nagasaki University, Nagasaki 852-8523, Japan
- Vietnam Research Station, National Institute of Hygiene and Epidemiology-Nagasaki University, Hanoi 100000, Vietnam
| | - Toshio Kodama
- Department of Bacteriology, Institute of Tropical Medicine, Nagasaki University, Nagasaki 852-8523, Japan
| | - Miho Kaneko
- Department of Molecular Microbiology and Immunology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
| | - Huyen Thi Thanh Dang
- National office for Expanded Program on Immunization, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Hong Thi Duong
- National office for Expanded Program on Immunization, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Dang Duc Anh
- Department of Bacteriology, National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
| | - Osamu Nakagomi
- Department of Hygiene and Molecular Epidemiology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
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de Oliveira Matos A, Vilela Rodrigues TC, Tiwari S, Dos Santos Dantas PH, Sartori GR, de Carvalho Azevedo VA, Martins Da Silva JH, de Castro Soares S, Silva-Sales M, Sales-Campos H. Immunoinformatics-guided design of a multi-valent vaccine against Rotavirus and Norovirus (ChRNV22). Comput Biol Med 2023; 159:106941. [PMID: 37105111 DOI: 10.1016/j.compbiomed.2023.106941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 03/17/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023]
Abstract
Rotavirus (RV) and Norovirus (NV) are the main viral etiologic agents of acute gastroenteritis (AG), a serious pediatric condition associated with significant death rates and long-term complications. Anti-RV vaccination has been proved efficient in the reduction of severe AG worldwide, however, the available vaccines are all attenuated and have suboptimal efficiencies in developing countries, where AG leads to substantial disease burden. On the other hand, no NV vaccine has been licensed so far. Therefore, we used immunoinformatics tools to develop a multi-epitope vaccine (ChRNV22) to prevent severe AG by RV and NV. Epitopes were predicted against 17 prevalent genotypes of four structural proteins (NV's VP1, RV's VP4, VP6 and VP7), and then assembled in a chimeric protein, with two small adjuvant sequences (tetanus toxin P2 epitope and a conserved sequence of RV's enterotoxin, NSP4). Simulations of the immune response and interactions with immune receptors indicated the immunogenic properties of ChRNV22, including a Th1-biased response. In silico search for putative host-homologous, allergenic and toxic regions also indicated the vaccine safety. In summary, we developed a multi-epitope vaccine against different NV and RV genotypes that seems promising for the prevention of severe AG, which will be further assessed by in vivo tests.
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Affiliation(s)
- Amanda de Oliveira Matos
- Laboratory of Mucosal Immunology and Immunoinformatics (LIM), Institute of Tropical Pathology and Public Health, Federal University of Goiás (UFG), Goiânia, 746050-050, Brazil
| | - Thaís Cristina Vilela Rodrigues
- Laboratory of Cellular and Molecular Genetics (LGCM), Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, 31270-901, Brazil
| | - Sandeep Tiwari
- Institute of Biology, Federal University of Bahia (UFBA), Salvador, 40170-115, Brazil; Institute of Health Sciences, Federal University of Bahia (UFBA), Salvador, 40231-300, Brazil
| | - Pedro Henrique Dos Santos Dantas
- Laboratory of Mucosal Immunology and Immunoinformatics (LIM), Institute of Tropical Pathology and Public Health, Federal University of Goiás (UFG), Goiânia, 746050-050, Brazil
| | | | - Vasco Ariston de Carvalho Azevedo
- Laboratory of Cellular and Molecular Genetics (LGCM), Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, 31270-901, Brazil
| | | | - Siomar de Castro Soares
- Department of Immunology, Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences, Federal University of Triângulo Mineiro (UFTM), Uberaba, 38025-180, Brazil
| | - Marcelle Silva-Sales
- Laboratory of Virology and Cellular Culture (LABVICC), Institute of Tropical Pathology and Public Health, Federal University of Goiás (UFG), Goiânia, 746050-050, Brazil
| | - Helioswilton Sales-Campos
- Laboratory of Mucosal Immunology and Immunoinformatics (LIM), Institute of Tropical Pathology and Public Health, Federal University of Goiás (UFG), Goiânia, 746050-050, Brazil.
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Usman M, Ayub A, Habib S, Rana MS, Rehman Z, Zohaib A, Jamal SB, Jaiswal AK, Andrade BS, de Carvalho Azevedo V, Faheem M, Javed A. Vaccinomics Approach for Multi-Epitope Vaccine Design against Group A Rotavirus Using VP4 and VP7 Proteins. Vaccines (Basel) 2023; 11:726. [PMID: 37112638 PMCID: PMC10144065 DOI: 10.3390/vaccines11040726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/15/2023] [Accepted: 03/15/2023] [Indexed: 03/29/2023] Open
Abstract
Rotavirus A is the most common cause of Acute Gastroenteritis globally among children <5 years of age. Due to a segmented genome, there is a high frequency of genetic reassortment and interspecies transmission which has resulted in the emergence of novel genotypes. There are concerns that monovalent (Rotarix: GlaxoSmithKline Biologicals, Rixensart, Belgium) and pentavalent (RotaTeq: MERCK & Co., Inc., Kenilworth, NJ, USA) vaccines may be less effective against non-vaccine strains, which clearly shows the demand for the design of a vaccine that is equally effective against all circulating genotypes. In the present study, a multivalent vaccine was designed from VP4 and VP7 proteins of RVA. Epitopes were screened for antigenicity, allergenicity, homology with humans and anti-inflammatory properties. The vaccine contains four B-cell, three CTL and three HTL epitopes joined via linkers and an N-terminal RGD motif adjuvant. The 3D structure was predicted and refined preceding its docking with integrin. Immune simulation displayed promising results both in Asia and worldwide. In the MD simulation, the RMSD value varied from 0.2 to 1.6 nm while the minimum integrin amino acid fluctuation (0.05-0.1 nm) was observed with its respective ligand. Codon optimization was performed with an adenovirus vector in a mammalian expression system. The population coverage analysis showed 99.0% and 98.47% in South Asia and worldwide, respectively. These computational findings show potential against all RVA genotypes; however, in-vitro/in-vivo screening is essential to devise a meticulous conclusion.
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Affiliation(s)
- Muhammad Usman
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
- Department of Virology, National Institute of Health, Islamabad 45500, Pakistan
| | - Aaima Ayub
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Sabahat Habib
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | | | - Zaira Rehman
- Department of Virology, National Institute of Health, Islamabad 45500, Pakistan
| | - Ali Zohaib
- Department of Microbiology, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, Bahawalpur 63100, Pakistan
| | - Syed Babar Jamal
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan (M.F.)
| | - Arun Kumar Jaiswal
- Laboratory of Cellular and Molecular Genetics (LGCM), PG Program in Bioinformatics, Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - Bruno Silva Andrade
- Laboratory of Bioinformatics and Computational Chemistry, State University of Southwest of Bahia, Bahia 45083-900, Brazil
| | - Vasco de Carvalho Azevedo
- Laboratory of Cellular and Molecular Genetics (LGCM), PG Program in Bioinformatics, Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - Muhammad Faheem
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan (M.F.)
| | - Aneela Javed
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
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Isolation and Characterization of Distinct Rotavirus A in Bat and Rodent Hosts. J Virol 2023; 97:e0145522. [PMID: 36633410 PMCID: PMC9888233 DOI: 10.1128/jvi.01455-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Rotavirus A (RVA) causes diarrheal disease in humans and various animals. Recent studies have identified bat and rodent RVAs with evidence of zoonotic transmission and genome reassortment. However, the virological properties of bat and rodent RVAs with currently identified genotypes still need to be better clarified. Here, we performed virus isolation-based screening for RVA in animal specimens and isolated RVAs (representative strains: 16-06 and MpR12) from Egyptian fruit bat and Natal multimammate mouse collected in Zambia. Whole-genome sequencing and phylogenetic analysis revealed that the genotypes of bat RVA 16-06 were identical to that of RVA BATp39 strain from the Kenyan fruit bat, which has not yet been characterized. Moreover, all segments of rodent RVA MpR12 were highly divergent and assigned to novel genotypes, but RVA MpR12 was phylogenetically closer to bat RVAs than to other rodent RVAs, indicating a unique evolutionary history. We further investigated the virological properties of the isolated RVAs. In brief, we found that 16-06 entered cells by binding to sialic acids on the cell surface, while MpR12 entered in a sialic acid-independent manner. Experimental inoculation of suckling mice with 16-06 and MpR12 revealed that these RVAs are causative agents of diarrhea. Moreover, 16-06 and MpR12 demonstrated an ability to infect and replicate in a 3D-reconstructed primary human intestinal epithelium with comparable efficiency to the human RVA. Taken together, our results detail the unique genetic and virological features of bat and rodent RVAs and demonstrate the need for further investigation of their zoonotic potential. IMPORTANCE Recent advances in nucleotide sequence detection methods have enabled the detection of RVA genomes from various animals. These studies have discovered multiple divergent RVAs and have resulted in proposals for the genetic classification of novel genotypes. However, most of these RVAs have been identified via dsRNA viral genomes and not from infectious viruses, and their virological properties, such as cell/host tropisms, transmissibility, and pathogenicity, are unclear and remain to be clarified. Here, we successfully isolated RVAs with novel genome constellations from three bats and one rodent in Zambia. In addition to whole-genome sequencing, the isolated RVAs were characterized by glycan-binding affinity, pathogenicity in mice, and infectivity to the human gut using a 3D culture of primary intestinal epithelium. Our study reveals the first virological properties of bat and rodent RVAs with high genetic diversity and unique evolutional history and provides basic knowledge to begin estimating the potential of zoonotic transmission.
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Gainor K, Ghosh S. A comprehensive review of viruses in terrestrial animals from the Caribbean islands of Greater and Lesser Antilles. Transbound Emerg Dis 2022; 69:e1299-e1325. [PMID: 35578793 DOI: 10.1111/tbed.14595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 11/26/2022]
Abstract
Viruses pose a major threat to animal health worldwide, causing significant mortalities and morbidities in livestock, companion animals and wildlife, with adverse implications on human health, livelihoods, food safety and security, regional/national economies, and biodiversity. The Greater and Lesser Antilles consist of a cluster of islands between the North and South Americas and is habitat to a wide variety of animal species. This review is the first to put together decades of information on different viruses circulating in companion animals, livestock, and wildlife from the Caribbean islands of Greater and Lesser Antilles. Although animal viral diseases have been documented in the Caribbean region since the 1940s, we found that studies on different animal viruses are limited, inconsistent, and scattered. Furthermore, a significant number of the reports were based on serological assays, yielding preliminary data. The available information was assessed to identify knowledge gaps and limitations, and accordingly, recommendations were made, with the overall goal to improve animal health and production, and combat zoonoses in the region. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Kerry Gainor
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, St. Kitts, West Indies
| | - Souvik Ghosh
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, St. Kitts, West Indies
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Omatola CA, Olaniran AO. Rotaviruses: From Pathogenesis to Disease Control—A Critical Review. Viruses 2022; 14:v14050875. [PMID: 35632617 PMCID: PMC9143449 DOI: 10.3390/v14050875] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 12/16/2022] Open
Abstract
Since their first recognition in human cases about four decades ago, rotaviruses have remained the leading cause of acute severe dehydrating diarrhea among infants and young children worldwide. The WHO prequalification of oral rotavirus vaccines (ORV) a decade ago and its introduction in many countries have yielded a significant decline in the global burden of the disease, although not without challenges to achieving global effectiveness. Poised by the unending malady of rotavirus diarrhea and the attributable death cases in developing countries, we provide detailed insights into rotavirus biology, exposure pathways, cellular receptors and pathogenesis, host immune response, epidemiology, and vaccination. Additionally, recent developments on the various host, viral and environmental associated factors impacting ORV performance in low-and middle-income countries (LMIC) are reviewed and their significance assessed. In addition, we review the advances in nonvaccine strategies (probiotics, candidate anti-rotaviral drugs, breastfeeding) to disease prevention and management.
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Omatola CA, Olaniran AO. Epidemiological significance of the occurrence and persistence of rotaviruses in water and sewage: a critical review and proposal for routine microbiological monitoring. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:380-399. [PMID: 35174845 DOI: 10.1039/d1em00435b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Globally, waterborne gastroenteritis attributable to rotaviruses is on the increase due to the rapid increase in population growth, poor socioeconomic conditions, and drastic changes in climatic conditions. The burden of diarrhea is quite alarming in developing nations where the majority of the populations still rely on untreated surface water that is usually polluted for their immediate water needs. Humans and animals of all ages are affected by rotaviruses. In humans, the preponderance of cases occurs in children under 5 years. Global efforts in advancing water/wastewater treatment technologies have not yet realized the objective of complete viral removal from wastewater. Most times, surface waters are impacted heavily by inadequately treated wastewater run-offs thereby exposing people or animals to preventable health risks. The relative stability of rotaviruses in aquatic matrices during wastewater treatment, poor correlation of bacteriological indicators with the presence of rotaviruses, and their infectiousness at a low dose informed the proposal for inclusion in the routine microbiological water screening panel. Environmental monitoring data have been shown to provide early warnings that can complement clinical data used to monitor the impact of current rotavirus vaccination in a community. This review was therefore undertaken to critically appraise rotavirus excretion and emission pathways, and the existence, viability and persistence in the receiving aquatic milieu. The efficiency of the current wastewater treatment modality for rotavirus removal, correlation of the current bacteriological water quality assessment strategy, public health risks and current laboratory methods for an epidemiological study were also discussed.
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Affiliation(s)
- Cornelius A Omatola
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban 4000, Republic of South Africa.
| | - Ademola O Olaniran
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban 4000, Republic of South Africa.
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Sadiq A, Bostan N, Aziz A. Effect of rotavirus genetic diversity on vaccine impact. Rev Med Virol 2022; 32:e2259. [PMID: 34997676 DOI: 10.1002/rmv.2259] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 05/05/2021] [Indexed: 11/07/2022]
Abstract
Group A rotaviruses (RVAs) are the leading cause of gastroenteritis, causing 0.2 million deaths and several million hospitalisations globally each year. Four rotavirus vaccines (RotarixTM , RotaTeqTM , Rotavac® and ROTASIIL® ) have been pre-qualified by the World Health Organization (WHO), but the two newly pre-qualified vaccines (Rotavac® and ROTASIIL® ) are currently only in use in Palestine and India, respectively. In 2009, WHO strongly proposed that rotavirus vaccines be included in the routine vaccination schedule of all countries around the world. By the end of 2019, a total of 108 countries had administered rotavirus vaccines, and 10 countries have currently been approved by Gavi for the introduction of rotavirus vaccine in the near future. With 39% of global coverage, rotavirus vaccines have had a substantial effect on diarrhoeal morbidity and mortality in different geographical areas, although efficacy appears to be higher in high income settings. Due to the segmented RNA genome, the pattern of RVA genotypes in the human population is evolving through interspecies transmission and/or reassortment events for which the vaccine might be less effective in the future. However, despite the relative increase in some particular genotypes after rotavirus vaccine use, the overall efficacy of rotavirus mass vaccination worldwide has not been affected. Some of the challenges to improve the effect of current rotavirus vaccines can be solved in the future by new rotavirus vaccines and by vaccines currently in progress.
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Affiliation(s)
- Asma Sadiq
- Department of Biosciences, Molecular Virology Laboratory, COMSATS University, Islamabad, Pakistan
| | - Nazish Bostan
- Department of Biosciences, Molecular Virology Laboratory, COMSATS University, Islamabad, Pakistan
| | - Aamir Aziz
- Sarhad University of Science and Information Technology, Institute of Biological Sciences, Sarhad University, Peshawar, Pakistan
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