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Singh S, Aw TG, Rose JB. Evaluation of an Automated Ultrafiltration System for Concentrating a Range of Viruses from Saline Waters. FOOD AND ENVIRONMENTAL VIROLOGY 2024:10.1007/s12560-024-09602-6. [PMID: 38951381 DOI: 10.1007/s12560-024-09602-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 04/30/2024] [Indexed: 07/03/2024]
Abstract
Pathogenic viruses in environmental water are usually present in levels too low for direct detection and thus, a concentration step is often required to increase the analytical sensitivity. The objective of this study was to evaluate an automated filtration device, the Innovaprep Concentrating Pipette Select (CP Select) for the rapid concentration of viruses in saline water samples, while considering duration of process and ease of use. Four bacteriophages (MS2, P22, Phi6, and PhiX174) and three animal viruses (adenovirus, coronavirus OC43, and canine distemper virus) were seeded in artificial seawater, aquarium water, and bay water samples, and processed using the CP Select. The recovery efficiencies of viruses were determined either using a plaque assay or droplet digital PCR (ddPCR). Using plaque assays, the average recovery efficiencies for bacteriophages ranged from 4.84 ± 3.8% to 82.73 ± 27.3%, with highest recovery for P22 phage. The average recovery efficiencies for the CP Select were 39.31 ± 26.6% for adenovirus, 19.04 ± 11.6% for coronavirus OC43, and 19.84 ± 13.6% for canine distemper virus, as determined by ddPCR. Overall, viral genome composition, not the size of the virus, affected the recovery efficiencies for the CP Select. The small sample volume size used for the ultrafilter pipette of the system hinders the use of this method as a primary concentration step for viruses in marine waters. However, the ease of use and rapid processing time of the CP Select are especially beneficial when rapid detection of viruses in highly contaminated water, such as wastewater or sewage-polluted surface water, is needed.
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Affiliation(s)
- Simran Singh
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI, USA
| | - Tiong Gim Aw
- Department of Environmental Health Sciences, School of Public Health and Tropical Medicine, Tulane University, 1440 Canal Street, Suite 2100, New Orleans, LA, 70112, USA.
| | - Joan B Rose
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI, USA
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Becker AS, Lopes TRR, Pedroso NH, Silva Júnior JVJ, Weiblen R, Flores EF. Novel high-coverage primers for detection of canine morbillivirus by end-point and real-time RT-PCR assays. J Virol Methods 2024; 323:114853. [PMID: 37979697 DOI: 10.1016/j.jviromet.2023.114853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 11/20/2023]
Abstract
Canine distemper virus (CDV) is a major threat to domestic dogs and wildlife worldwide. Molecular assays are the most sensitive and specific tests to diagnose the disease, however, the high CDV genetic variability may compromise laboratory diagnosis. Herein, we designed a high-coverage primer set for end-point (RT-PCR) and real-time (RT-qPCR) for CDV detection. Initially, we collected 194 complete/near-complete CDV genomes (GenBank) and analyzed them for highly conserved regions for primer design. We then assessed the in silico coverage, analytical sensitivity, specificity and diagnostic performance of RT-PCR/RT-qPCR reactions based on our primers. Furthermore, the coverage of our primers, as well as their analytical sensitivity and diagnostic performance, were compared to a commonly used primer set for CDV detection (named PP-I). Our forward (F) and reverse (R) primers fully matched 100 % (194/194) and 99 % (192/194) of the analyzed sequences, whereas the PP-I F and R primers fully matched 15 % (29/194) and 9 % (18/194) sequences, respectively. The detection limit of our RT-PCR and RT-qPCR was equivalent to that of PP-I primers (0.001 TCID50/mL). Out of 70 clinical samples tested, 38 were positive by our RT-PCR/RT-qPCR assays, whereas reactions with primers PP-I failed to detect 9/28 (32 %) positive samples selected for comparison purposes. In addition, our assays did not amplify other canine viruses associated with respiratory and neurological diseases: canine adenovirus 2, canine parainfluenza virus 2, canine herpesvirus 1 and rabies virus. Overall, we describe a high-coverage primer set for CDV detection, which represents an attractive tool for laboratory diagnosis of canine distemper.
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Affiliation(s)
- Alice Silveira Becker
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil; Programa de Pós-graduação em Medicina Veterinária, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil
| | - Thaísa Regina Rocha Lopes
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil; Programa de Pós-graduação em Medicina Veterinária, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil
| | - Natália Hettwer Pedroso
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil; Programa de Pós-graduação em Medicina Veterinária, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil
| | - José Valter Joaquim Silva Júnior
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil; Setor de Virologia, Laboratório de Imunopatologia Keizo Asami, Universidade Federal de Pernambuco, Pernambuco, Brazil.
| | - Rudi Weiblen
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil
| | - Eduardo Furtado Flores
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil.
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Yeo YG, Kim HR, Park J, Kim JM, Shin YK, Lee KK, Kwon OK, Jeoung HY, Kang HE, Ku BK, Park SC, Kwon OD, Park CK. Epidemiological and Molecular Approaches for a Fatal Feline Panleukopenia Virus Infection of Captive Siberian Tigers ( Panthera tigris altaica) in the Republic of Korea. Animals (Basel) 2023; 13:2991. [PMID: 37760391 PMCID: PMC10526094 DOI: 10.3390/ani13182991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Feline panleukopenia virus (FPV), a member of the species Protoparvovirus carnivoran1, is one of the most fatal pathogens of domestic and wild carnivores. The virus endemically infects domestic carnivores worldwide and its cross-species transmission threatens endangered wild carnivores, including Siberian tigers. In this study, a fatal FPV infection in endangered Siberian tigers was investigated to trace the origin of the virus and elucidate the reason behind FPV's infection of the vaccinated tigers. Our genetic characterization and phylogenetic analysis revealed that the virus detected in the infected tigers, designated as the KTPV-2305 strain, was closely related to FPV strains circulating in Korean cats, suggesting that it might have been transmitted from stray cats wandering around the zoo. Compared with the prototype FPV reference strains, the KTPV-2305 strain carried three distinct amino acid (aa) mutations in the VP2 protein sequence (I101T, I232V, and L562V) in this study. These three mutations are commonly found in most global FPV strains, including Korean strains, indicating that these mutations are common evolutionary characteristics of currently circulating global FPVs. The reason why the vaccinated tigers were infected with FPV was most likely the insufficient protective immunity of the affected tigress or vaccine failure triggered by the interference of maternal-derived antibodies in the affected tiger cubs. These findings suggest that improved vaccination guidelines are urgently needed to save the lives of wild carnivores from this fatal virus.
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Affiliation(s)
- Yong-Gu Yeo
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea; (Y.-G.Y.); (H.-R.K.); (J.-M.K.)
- Seoul Zoo, Gwacheon 13829, Republic of Korea
| | - Hye-Ryung Kim
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea; (Y.-G.Y.); (H.-R.K.); (J.-M.K.)
| | - Jonghyun Park
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine and Cardiovascular Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea; (J.P.); (S.-C.P.)
| | - Jong-Min Kim
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea; (Y.-G.Y.); (H.-R.K.); (J.-M.K.)
| | - Yeun-Kyung Shin
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Kyoung-Ki Lee
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Oh-Kyu Kwon
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Hye-Young Jeoung
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Hae-Eun Kang
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Bok-Kyung Ku
- Animal and Plant Quarantine Agency, Gimcheon 39660, Republic of Korea; (Y.-K.S.); (K.-K.L.); (O.-K.K.); (H.-Y.J.); (H.-E.K.); (B.-K.K.)
| | - Seung-Chun Park
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine and Cardiovascular Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea; (J.P.); (S.-C.P.)
| | - Oh-Deog Kwon
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea; (Y.-G.Y.); (H.-R.K.); (J.-M.K.)
| | - Choi-Kyu Park
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea; (Y.-G.Y.); (H.-R.K.); (J.-M.K.)
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Stancu AC, Voia OS, Boldura OM, Pasca SA, Luca I, Hulea AS, Ivan OR, Dragoescu AA, Lungu BC, Hutu I. Unusual Canine Distemper Virus Infection in Captive Raccoons ( Procyon lotor). Viruses 2023; 15:1536. [PMID: 37515222 PMCID: PMC10383698 DOI: 10.3390/v15071536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Canine morbillivirus, also known as canine distemper virus (CDV), is the causative agent of canine distemper (CD), which is a serious contagious disease of canines, large felids, and, occasionally, raccoons. This study included seven raccoons from the Timisoara Zoological Garden, Romania. CDV was detected using RT-qPCR on blood samples, but several other exams were also performed-clinical, bacteriological, immunohistochemistry (IHC) and histopathology, toxicological screening, and necropsy-which confirmed CDV infection. Severe digestive disorders (diarrhea and frequent hematemesis) were observed. The necropsy findings included pseudo membranous gastroenteritis, congestion, and pulmonary edema in two raccoons. Immunohistochemistry showed immunolabeled CDV antigenantibodies on the viral nucleocapsid. Histopathology revealed lymphocyte depletion in mesenteric lymphnodes and intranuclear and intracytoplasmic inclusions in the enterocytes of the small intestine. Based on the RT-qPCR assay, laboratory tests, and the lesions observed, it was established that the raccoons were infected with CDV, which was the cause of death in two cases. The results from the necropsy, histology, and immunohistochemistry in the raccoons are comparable with reported CDV lesions in dogs. In conclusion, several exams may be performed to establish the etiology of possible interspecific viral infection, but only very specific exams can identify aCDV infection. Laboratory analyses must be completed by RT-qPCR assay or IHC to establish infection with uncommon viruses in raccoons with high accuracy.
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Affiliation(s)
- Adrian Constantin Stancu
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Octavian Sorin Voia
- Faculty of Animal Resources Bioengineering, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Oana Maria Boldura
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Sorin Aurelian Pasca
- Faculty of Veterinary Medicine, University of Life Sciences, 700506 Iasi, Romania
| | - Iasmina Luca
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Anca Sofiana Hulea
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | | | - Alina Andreea Dragoescu
- Faculty of Agriculture, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Bianca Cornelia Lungu
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
| | - Ioan Hutu
- Faculty of Veterinary Medicine, Horia Cernescu Research Unit, University of Life Sciences "King Michael I", 300645 Timisoara, Romania
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Geiselhardt F, Peters M, Jo WK, Schadenhofer A, Puff C, Baumgärtner W, Kydyrmanov A, Kuiken T, Piewbang C, Techangamsuwan S, Osterhaus ADME, Beineke A, Ludlow M. Development and Validation of a Pan-Genotypic Real-Time Quantitative Reverse Transcription-PCR Assay To Detect Canine Distemper Virus and Phocine Distemper Virus in Domestic Animals and Wildlife. J Clin Microbiol 2022; 60:e0250521. [PMID: 35491822 PMCID: PMC9116185 DOI: 10.1128/jcm.02505-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/09/2022] [Indexed: 11/20/2022] Open
Abstract
Canine distemper virus (CDV) is an animal morbillivirus belonging to the family Paramyxoviridae and has caused major epizootics with high mortality levels in susceptible wildlife species. In recent years, the documented genetic diversity of CDV has expanded, with new genotypes identified in India, the Caspian Sea, and North America. However, no quantitative real-time PCR (RT-qPCR) that has been validated for the detection of all genotypes of CDV is currently available. We have therefore established and characterized a pan-genotypic probe-based RT-qPCR assay based on the detection of a conserved region of the phosphoprotein (P) gene of CDV. This assay has been validated using virus strains representative of six genotypes of CDV in different sample types, including frozen tissue, formalin-fixed paraffin-embedded tissue sections, and virus isolates. The primers and probe target sequences were sufficiently conserved to also enable detection of the phocine distemper virus strains responsible for epizootics in harbor seals in the North Sea in 1988 and 2002. Comparison with two recently published RT-qPCR assays for CDV showed that under equivalent conditions the primers and probe set reported in this study were more sensitive in detecting nucleic acids from an Asia-4 genotype, which displays sequence variation in primer and probe binding sites. In summary, this validated new pan-genotypic RT-qPCR assay will facilitate screening of suspected distemper cases caused by novel genotypes for which full genome sequences are unavailable and have utility in detecting multiple CDV strains in geographical regions where multiple genotypes cocirculate in wildlife.
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Affiliation(s)
- Franziska Geiselhardt
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine (TiHo-RIZ), Hannover, Germany
| | - Martin Peters
- Chemisches und Veterinäruntersuchungsamt Westfalen, Arnsberg, Germany
| | - Wendy K. Jo
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine (TiHo-RIZ), Hannover, Germany
| | - Alina Schadenhofer
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine (TiHo-RIZ), Hannover, Germany
| | - Christina Puff
- Department of Pathology, University of Veterinary Medicine, Hannover, Germany
| | | | - Aidyn Kydyrmanov
- Laboratory of Viral Ecology, Research and Production Center for Microbiology and Virology, Almaty, Kazakhstan
| | - Thijs Kuiken
- Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Chutchai Piewbang
- Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Animal Virome and Diagnostic Development Research Group, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Somporn Techangamsuwan
- Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Animal Virome and Diagnostic Development Research Group, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Albert D. M. E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine (TiHo-RIZ), Hannover, Germany
| | - Andreas Beineke
- Chemisches und Veterinäruntersuchungsamt Westfalen, Arnsberg, Germany
| | - Martin Ludlow
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine (TiHo-RIZ), Hannover, Germany
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Mohammad HA, Ajaj EA, Gharban HAJ. The first study on confirmation and risk factors of acute and chronic canine distemper in stray dogs in Wasit Province, Iraq, using enzyme-linked immunosorbent assay and reverse transcription-polymerase chain reaction. Vet World 2022; 15:968-974. [PMID: 35698493 PMCID: PMC9178565 DOI: 10.14202/vetworld.2022.968-974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/28/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: In Iraq, stray dogs represent a critical population of free-roaming animals, which probably play a role in the transmission of different infections to other animals. Canine distemper is one of the most growing viral threats to carnivores in many countries worldwide, including Iraq. Therefore, this study was aimed to diagnose the disease using serological and molecular assay and the role of risk factors in the spreading infection. Materials and Methods: In all, 158 venous blood samples were collected randomly from stray dogs in rural and sub-urban areas of Iraq from May 2019 to December 2020. The samples were examined serologically using two enzyme-linked immunosorbent assay (ELISA) kits, immunoglobulin G (IgG) and immunoglobulin M (IgM), and molecularly by reverse transcription-polymerase chain reaction (RT-PCR) to detect and confirm chronic and acute infections. To determine the association between infection and various risk factors, the study animals were divided according to their locations, sexes, and ages. The age groups were ≤8 months (puppy), 1-3 years (young), and ≥3 years (old/mature). Results: ELISA result shows that 6.96% and 19.62% of dogs were seropositive for acute and chronic distemper, respectively. The titer of chronic infections (0.421±0.027) was significantly higher (p≤0.025) than that of acute canine distemper (0.337±0.016). On RT-PCR, 8.86% of dogs were found positive for distemper. Using RT-PCR as the gold standard, the sensitivity and specificity of the IgM ELISA kit were 75% and 98.63%, respectively, whereas the positive and negative predictivity were 81.82% and 97.96%, respectively. A significant variation (p<0.05) was observed in the distribution of positive findings among the different epidemiological risk factors. Compared with rural areas, positivity was significantly higher (p<0.05) in sub-urban areas on IgM (26.92%) and IgG (64.15%) ELISA and RT-PCR (34.62%). On IgM ELISA and RT-PCR, no significant differences (p>0.05) were found among the three age groups; however, positivity was significantly higher (p≤0.048) in the ≥3 years group (22.73%) on IgG ELISA. Furthermore, only IgG ELISA showed a significantly higher (p≤0.032) positivity rate in female dogs (25.23%) than in male dogs (7.84%). Conclusion: To the best of our knowledge, this is the first Iraqi study to demonstrate acute and chronic canine distemper in stray dogs, suggesting that the prolonged shedding of virus from positive dogs is a critical point in the epidemiology of the disease. Additional studies in dogs or other carnivores are required to establish baseline data on the prevalence of the disease in Iraq.
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Affiliation(s)
- Hadeel Asim Mohammad
- Department of Internal and Preventive Medicine, College of Veterinary Medicine, University of Mosul, Nineveh, Iraq
| | - Eva Aisser Ajaj
- Department of Internal and Preventive Medicine, College of Veterinary Medicine, University of Mosul, Nineveh, Iraq
| | - Hasanain A. J. Gharban
- Department of Internal and Preventive Veterinary Medicine, College of Veterinary Medicine, University of Wasit, Wasit, Iraq
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Special Issue: Emerging Wildlife Viral Diseases. Viruses 2022; 14:v14040807. [PMID: 35458537 PMCID: PMC9026112 DOI: 10.3390/v14040807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 12/10/2022] Open
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Su Z, Cheshmehzangi A, McDonnell D, da Veiga CP, Xiang YT. Mind the "Vaccine Fatigue". Front Immunol 2022; 13:839433. [PMID: 35359948 PMCID: PMC8960954 DOI: 10.3389/fimmu.2022.839433] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/18/2022] [Indexed: 01/24/2023] Open
Abstract
Background Omicron scares and speculations are gaining momentum. Amid the nonstop debates and discussions about COVID-19 vaccines, the "vaccine fatigue" phenomenon may become more prevalent. However, to date, no research has systematically examined factors that shape people's vaccine fatigue. To bridge the research gap, this study aims to investigate the antecedents that cause or catalyze people's vaccine fatigue. Methods A narrative literature review was conducted in PubMed, Scopus, and PsycINFO to identify factors that shape people's vaccine fatigue. The search was completed on December 6, 2021, with a focus on scholarly literature published in English. Results A total of 37 articles were reviewed and analyzed. Vaccine fatigue was most frequently discussed in the context of infectious diseases in general at the pre-vaccination stage. Vaccine fatigue has been identified in the general public, the parents, and the doctors. Overall, a wide range of antecedents to vaccine fatigue has been identified, ranging from the frequency of immunization demands, vaccine side effects, misconceptions about the severity of the diseases and the need for vaccination, to lack of trust in the government and the media. Conclusion Vaccine fatigue is people's inertia or inaction towards vaccine information or instruction due to perceived burden and burnout. Our study found that while some contributors to vaccine fatigue are rooted in limitations of vaccine sciences and therefore can hardly be avoided, effective and empathetic vaccine communications hold great promise in eliminating preventable vaccine fatigue across sectors in society.
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Affiliation(s)
- Zhaohui Su
- School of Public Health, Institute for Human Rights, Southeast University, Nanjing, China,*Correspondence: Zhaohui Su, ; Yu-Tao Xiang,
| | - Ali Cheshmehzangi
- Department of Architecture and Built Environment, Architecture and Urban Design, Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China,Network for Education and Research on Peace and Sustainability, Hiroshima University, Hiroshima, Japan
| | - Dean McDonnell
- Department of Humanities, South East Technological University, Carlow, Ireland
| | | | - Yu-Tao Xiang
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, University of Macau, Macao, Macao SAR, China,Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China,Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China,Institute of Advanced Studies in Humanities and Social Sciences, University of Macau, Macao, Macao SAR, China,*Correspondence: Zhaohui Su, ; Yu-Tao Xiang,
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