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Montenegro-Quiñonez CA, Louis VR, Horstick O, Velayudhan R, Dambach P, Runge-Ranzinger S. Interventions against Aedes/dengue at the household level: a systematic review and meta-analysis. EBioMedicine 2023; 93:104660. [PMID: 37352828 PMCID: PMC10333437 DOI: 10.1016/j.ebiom.2023.104660] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 05/25/2023] [Accepted: 06/02/2023] [Indexed: 06/25/2023] Open
Abstract
BACKGROUND Because the evidence for the role of structural housing and combinations of interventions (domestic or peri-domestic) against Aedes mosquitoes or dengue is still lacking, this systematic review and meta-analysis aimed to analyse and synthesize research focusing on the household as the unit of allocation. METHODS We searched MEDLINE, LILACS, and Web of Science databases until February 2023 using three general keyword categories: (1) "Aedes" or "dengue"; (2) structural housing interventions including "house", "water", or "drainage"; and (3) vector control interventions of potential relevance and their combinations. We performed a qualitative content analysis and a meta-analysis for 13 entries on dengue seroconversion data. FINDINGS 14,272 articles were screened by titles, 615 by abstracts, 79 by full-text. 61 were selected. Satisfactory data quality allowed for detailed content analysis. Interventions at the household level against the immature mosquito stages (21 studies, 34%) showed positive or mixed results in entomological and epidemiological outcomes (86% and 75% respectively). Combined interventions against immature and adult stages (11 studies, 18%) performed similarly (91% and 67%) while those against the adult mosquitoes (29 studies, 48%) performed less well (79%, 22%). A meta-analysis on seroconversion outcomes showed a not-statistically significant reduction for interventions (log odds-ratio: -0.18 [-0.51, 0.14 95% CI]). INTERPRETATION No basic research on housing structure or modification was eligible for this systematic review but many interventions with clear impact on vector indices and, to a lesser extent, on dengue were described. The small and not-statistically significant effect size of the meta-analysis highlights the difficulty of proving effectiveness against this highly-clustered disease and of overcoming practical implementation obstacles (e.g. efficacy loss, compliance). The long-term success of interventions depends on suitability, community commitment and official support and promotion. The choice of a specific vector control package needs to take all these context-specific aspects into consideration. FUNDING This work was funded by a grant from the World Health Organization (2021/1121668-0, PO 202678425, NTD/VVE).
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Affiliation(s)
- Carlos Alberto Montenegro-Quiñonez
- Heidelberg Institute of Global Health (HIGH), Heidelberg University Hospital, Heidelberg, Germany; Instituto de Investigaciones, Centro Universitario de Zacapa, Universidad de San Carlos de Guatemala, Guatemala.
| | - Valérie R Louis
- Heidelberg Institute of Global Health (HIGH), Heidelberg University Hospital, Heidelberg, Germany.
| | - Olaf Horstick
- Heidelberg Institute of Global Health (HIGH), Heidelberg University Hospital, Heidelberg, Germany.
| | - Raman Velayudhan
- Department of Control of Neglected Tropical Diseases (NTD), World Health Organization, Switzerland.
| | - Peter Dambach
- Heidelberg Institute of Global Health (HIGH), Heidelberg University Hospital, Heidelberg, Germany.
| | - Silvia Runge-Ranzinger
- Heidelberg Institute of Global Health (HIGH), Heidelberg University Hospital, Heidelberg, Germany.
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Virgillito C, Manica M, Marini G, Rosà R, Della Torre A, Martini S, Drago A, Baseggio A, Caputo B. Evaluation of Bacillus thuringiensis Subsp. Israelensis and Bacillus sphaericus Combination Against Culex pipiens in Highly Vegetated Ditches. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 2022; 38:40-45. [PMID: 35276728 DOI: 10.2987/21-7024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Among the few mosquito larvicides available in the market, Bacillus thuringiensis subsp. israelensis (Bti) and B. sphaericus (Bs) represent the most environmentally safe alternatives. The combination of the 2 products is known to overcome their specific limitations by producing a synergistic effect. The aim of the study was to assess the effect and persistence of a single treatment with a granular Bti + Bs formulation on highly vegetated ditches in northeastern Italy that represents the primary rural larval sites for Culex pipiens, the primary vector of the West Nile virus in Europe. The analysis takes into account the nonlinear temporal effects on the population dynamics of larvae and pupae. The results showed a dramatic reduction in mosquito larval abundance 24 h posttreatment (93%) and was effective against larvae up to 22 days (100%). The residual effect after 28 days was 99.5%, and a limited residual effect was observed after 39 days (31.2%). A reduction in pupal density was observed after 4 days (70%) and was >98% from days 14 to 28 posttreatment, persisting for up to 39 days (84% after 39 days). The results demonstrate the effective use of the Bti + Bs formulation against Cx. pipiens in vegetated ditches in rural areas. Our modeling framework provides a flexible statistical approach to predict the residual effect of the product over time, in order to plan a seasonal intervention scheme.
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Matiadis D, Liggri PGV, Kritsi E, Tzioumaki N, Zoumpoulakis P, Papachristos DP, Balatsos G, Sagnou M, Michaelakis A. Curcumin Derivatives as Potential Mosquito Larvicidal Agents against Two Mosquito Vectors, Culex pipiens and Aedes albopictus. Int J Mol Sci 2021; 22:8915. [PMID: 34445622 PMCID: PMC8396198 DOI: 10.3390/ijms22168915] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/18/2021] [Accepted: 08/13/2021] [Indexed: 01/06/2023] Open
Abstract
Vector-borne diseases have appeared or re-emerged in many Southern Europe countries making the transmission of infectious diseases by mosquitoes (vectors) one of the greatest worldwide health threats. Larvicides have been used extensively for the control of Aedes (Stegomyia) albopictus (Skuse, 1895) (Diptera: Culicidae) and Culex pipiens Linnaeus, 1758 (Diptera: Culicidae) mosquitoes in urban and semi-urban environments, causing the increasing resistance of mosquitoes to commercial insecticides. In this study, 27 curcuminoids and monocarbonyl curcumin derivatives were synthesised and evaluated as potential larvicidal agents against Cx. pipiens and Ae. albopictus. Most of the compounds were more effective against larvae of both mosquito species. Four of the tested compounds, curcumin, demethoxycurcumin, curcumin-BF2 complex and a monocarbonyl tetramethoxy curcumin derivative exhibited high activity against both species. In Cx. pipiens the recorded LC50 values were 6.0, 9.4, 5.0 and 32.5 ppm, respectively, whereas in Ae. albopictus they exhibited LC50 values of 9.2, 36.0, 5.5 and 23.6 ppm, respectively. No conclusive structure activity relationship was evident from the results and the variety of descriptors values generated in silico provided some insight to this end.
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Affiliation(s)
- Dimitris Matiadis
- Institute of Biosciences and Applications, National Centre for Scientific Research “Demokritos”, 15310 Athens, Greece;
| | - Panagiota G. V. Liggri
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece; (P.G.V.L.); (N.T.)
- Benaki Phytopathological Institute, Scientific Directorate of Entomology and Agricultural Zoology, 14561 Kifissia, Greece; (D.P.P.); (G.B.)
| | - Eftichia Kritsi
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vas. Constantinou Avenue, 11635 Athens, Greece; (E.K.); (P.Z.)
- Department of Food Science and Technology, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece
| | - Niki Tzioumaki
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece; (P.G.V.L.); (N.T.)
- Benaki Phytopathological Institute, Scientific Directorate of Entomology and Agricultural Zoology, 14561 Kifissia, Greece; (D.P.P.); (G.B.)
| | - Panagiotis Zoumpoulakis
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vas. Constantinou Avenue, 11635 Athens, Greece; (E.K.); (P.Z.)
- Department of Food Science and Technology, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece
| | - Dimitrios P. Papachristos
- Benaki Phytopathological Institute, Scientific Directorate of Entomology and Agricultural Zoology, 14561 Kifissia, Greece; (D.P.P.); (G.B.)
| | - George Balatsos
- Benaki Phytopathological Institute, Scientific Directorate of Entomology and Agricultural Zoology, 14561 Kifissia, Greece; (D.P.P.); (G.B.)
| | - Marina Sagnou
- Institute of Biosciences and Applications, National Centre for Scientific Research “Demokritos”, 15310 Athens, Greece;
| | - Antonios Michaelakis
- Benaki Phytopathological Institute, Scientific Directorate of Entomology and Agricultural Zoology, 14561 Kifissia, Greece; (D.P.P.); (G.B.)
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Pichler V, Mancini E, Micocci M, Calzetta M, Arnoldi D, Rizzoli A, Lencioni V, Paoli F, Bellini R, Veronesi R, Martini S, Drago A, De Liberato C, Ermenegildi A, Pinto J, della Torre A, Caputo B. A Novel Allele Specific Polymerase Chain Reaction (AS-PCR) Assay to Detect the V1016G Knockdown Resistance Mutation Confirms Its Widespread Presence in Aedes albopictus Populations from Italy. INSECTS 2021; 12:insects12010079. [PMID: 33477382 PMCID: PMC7830166 DOI: 10.3390/insects12010079] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/14/2021] [Accepted: 01/15/2021] [Indexed: 11/16/2022]
Abstract
Polymerase chain reaction (PCR)-based genotyping of mutations in the voltage-sensitive sodium channel (vssc) associated with resistance to pyrethroid insecticides is widely used and represents a potential early warning and monitoring system for insecticide resistance arising in mosquito populations, which are vectors of different human pathogens. In the secondary vector Aedes albopictus-an Asian species that has invaded and colonized the whole world, including temperate regions-sequencing of domain II of the vssc gene is still needed to detect the V1016G mutation associated with pyrethroid resistance. In this study we developed and tested a novel allele-specific PCR (AS-PCR) assay to genotype the V1016G mutation in this species and applied it to the analysis of wild populations from Italy. The results confirm the high accuracy of the novel AS-PCR and highlight frequencies of the V1016G allele as >5% in most sampling sites, with peaks of 20-45% in coastal touristic sites where pyrethroid treatments are extensively implemented, mostly for mosquito nuisance reduction. The high frequency of this mutation observed in Italian Ae. albopictus populations should serve as a warning bell, advocating for increased monitoring and management of a phenomenon which risks neutralizing the only weapon today available to counteract (risks of) arbovirus outbreaks.
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Affiliation(s)
- Verena Pichler
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, 00185 Rome, Italy; (V.P.); (M.M.); (M.C.)
| | - Emiliano Mancini
- Dipartimento di Biologia e Biotecnologie ‘C. Darwin’, Università Sapienza, 00185 Rome, Italy;
| | - Martina Micocci
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, 00185 Rome, Italy; (V.P.); (M.M.); (M.C.)
| | - Maria Calzetta
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, 00185 Rome, Italy; (V.P.); (M.M.); (M.C.)
| | - Daniele Arnoldi
- Research and Innovation Centre, Department of Biodiversity and Molecular Ecology, Fondazione Edmund Mach, San Michele all’Adige, 38098 Trento, Italy; (D.A.); (A.R.)
| | - Annapaola Rizzoli
- Research and Innovation Centre, Department of Biodiversity and Molecular Ecology, Fondazione Edmund Mach, San Michele all’Adige, 38098 Trento, Italy; (D.A.); (A.R.)
| | - Valeria Lencioni
- Section of Invertebrate Zoology and Hydrobiology, MUSE-Science Museum, 38098 Trento, Italy; (V.L.); (F.P.)
| | - Francesca Paoli
- Section of Invertebrate Zoology and Hydrobiology, MUSE-Science Museum, 38098 Trento, Italy; (V.L.); (F.P.)
| | - Romeo Bellini
- Centro Agricoltura Ambiente “G. Nicoli”, 40014 Crevalcore, Italy; (R.B.); (R.V.)
| | - Rodolfo Veronesi
- Centro Agricoltura Ambiente “G. Nicoli”, 40014 Crevalcore, Italy; (R.B.); (R.V.)
| | | | - Andrea Drago
- Entostudio snc, 35020 Padua, Italy; (S.M.); (A.D.)
| | - Claudio De Liberato
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (C.D.L.); (A.E.)
| | - Arianna Ermenegildi
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, 00178 Rome, Italy; (C.D.L.); (A.E.)
| | - Joao Pinto
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, 1349-008 Lisboa, Portugal;
| | - Alessandra della Torre
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, 00185 Rome, Italy; (V.P.); (M.M.); (M.C.)
- Correspondence: (A.d.T.); (B.C.)
| | - Beniamino Caputo
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, 00185 Rome, Italy; (V.P.); (M.M.); (M.C.)
- Correspondence: (A.d.T.); (B.C.)
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Guzzetta G, Vairo F, Mammone A, Lanini S, Poletti P, Manica M, Rosa R, Caputo B, Solimini A, Torre AD, Scognamiglio P, Zumla A, Ippolito G, Merler S. Spatial modes for transmission of chikungunya virus during a large chikungunya outbreak in Italy: a modeling analysis. BMC Med 2020; 18:226. [PMID: 32762750 PMCID: PMC7412829 DOI: 10.1186/s12916-020-01674-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 06/22/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The spatial spread of many mosquito-borne diseases occurs by focal spread at the scale of a few hundred meters and over longer distances due to human mobility. The relative contributions of different spatial scales for transmission of chikungunya virus require definition to improve outbreak vector control recommendations. METHODS We analyzed data from a large chikungunya outbreak mediated by the mosquito Aedes albopictus in the Lazio region, Italy, consisting of 414 reported human cases between June and November 2017. Using dates of symptom onset, geographic coordinates of residence, and information from epidemiological questionnaires, we reconstructed transmission chains related to that outbreak. RESULTS Focal spread (within 1 km) accounted for 54.9% of all cases, 15.8% were transmitted at a local scale (1-15 km) and the remaining 29.3% were exported from the main areas of chikungunya circulation in Lazio to longer distances such as Rome and other geographical areas. Seventy percent of focal infections (corresponding to 38% of the total 414 cases) were transmitted within a distance of 200 m (the buffer distance adopted by the national guidelines for insecticide spraying). Two main epidemic clusters were identified, with a radius expanding at a rate of 300-600 m per month. The majority of exported cases resulted in either sporadic or no further transmission in the region. CONCLUSIONS Evidence suggest that human mobility contributes to seeding a relevant number of secondary cases and new foci of transmission over several kilometers. Reactive vector control based on current guidelines might allow a significant number of secondary clusters in untreated areas, especially if the outbreak is not detected early. Existing policies and guidelines for control during outbreaks should recommend the prioritization of preventive measures in neighboring territories with known mobility flows to the main areas of transmission.
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Affiliation(s)
- Giorgio Guzzetta
- Center for Information Technology, Fondazione Bruno Kessler, Trento, Italy
| | - Francesco Vairo
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, Rome, Italy.
| | - Alessia Mammone
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, Rome, Italy
| | - Simone Lanini
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, Rome, Italy
| | - Piero Poletti
- Center for Information Technology, Fondazione Bruno Kessler, Trento, Italy
| | - Mattia Manica
- Centro Agricoltura Alimenti e Ambiente, Università di Trento, San Michele all'Adige, TN, Italy
| | - Roberto Rosa
- Centro Agricoltura Alimenti e Ambiente, Università di Trento, San Michele all'Adige, TN, Italy.,Dipartimento di Biodiversità ed Ecologia Molecolare/Centro Ricerca e Innovazione, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Beniamino Caputo
- Dipartimento di Sanitá Pubblica e Malattie Infettive, Sapienza University of Rome, Rome, Italy
| | - Angelo Solimini
- Dipartimento di Sanitá Pubblica e Malattie Infettive, Sapienza University of Rome, Rome, Italy
| | - Alessandra Della Torre
- Dipartimento di Sanitá Pubblica e Malattie Infettive, Sapienza University of Rome, Rome, Italy
| | - Paola Scognamiglio
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, Rome, Italy
| | - Alimuddin Zumla
- Division of Infection and Immunity, Center for Clinical Microbiology, University College London, London, UK.,the National Institute of Health Research Biomedical Research Centre at UCL Hospitals, London, UK
| | - Giuseppe Ippolito
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, Rome, Italy
| | - Stefano Merler
- Center for Information Technology, Fondazione Bruno Kessler, Trento, Italy
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Kasai S, Caputo B, Tsunoda T, Cuong TC, Maekawa Y, Lam-Phua SG, Pichler V, Itokawa K, Murota K, Komagata O, Yoshida C, Chung HH, Bellini R, Tsuda Y, Teng HJ, Filho JLDL, Alves LC, Ng LC, Minakawa N, Yen NT, Phong TV, Sawabe K, Tomita T. First detection of a Vssc allele V1016G conferring a high level of insecticide resistance in Aedes albopictus collected from Europe (Italy) and Asia (Vietnam), 2016: a new emerging threat to controlling arboviral diseases. ACTA ACUST UNITED AC 2020; 24. [PMID: 30722810 PMCID: PMC6386213 DOI: 10.2807/1560-7917.es.2019.24.5.1700847] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Introduction Aedes albopictus (Skuse) is an important vector of arboviral diseases, including dengue, chikungunya and Zika virus disease. Monitoring insecticide resistance and mechanisms by which the mosquito develops resistance is crucial to minimise disease transmission. Aim To determine insecticide resistance status and mechanisms in Ae. albopictus from different geographical regions. Methods We sampled 33 populations of Ae. albopictus from Asia, Europe and South America, and tested these for susceptibility to permethrin, a pyrethroid insecticide. In resistant populations, the target site for pyrethroids, a voltage-sensitive sodium channel (Vssc) was genotyped. Three resistant sub-strains, each harbouring a resistance allele homozygously, were established and susceptibilities to three different pyrethroids (with and without a cytochrome P450 inhibitor) were assayed. Results Most populations of Ae. albopictus tested were highly susceptible to permethrin but a few from Italy and Vietnam (4/33), exhibited high-level resistance. Genotyping studies detected a knockdown resistance (kdr) allele V1016G in Vssc for the first time in Ae. albopictus. Two previously reported kdr alleles, F1534C and F1534S, were also detected. The bioassays indicated that the strain homozygous for the V1016G allele showed much greater levels of pyrethroid resistance than other strains harbouring F1534C or F1534S. Conclusion The V1016G allele was detected in bothAsian and Italian Ae. albopictus populations, thus a spread of this allele beyond Italy in Europe cannot be ruled out. This study emphasises the necessity to frequently and regularly monitor the V1016G allele in Ae. albopictus, particularly where this mosquito species is the main vector of arboviruses.
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Affiliation(s)
- Shinji Kasai
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Beniamino Caputo
- Parasitology Unit, Department of Public Health and Infectious Diseases, Università di Roma 'La Sapienza', Rome, Italy
| | - Takashi Tsunoda
- Department of Vector Ecology and Environment, Nagasaki University, Nagasaki, Japan
| | - Tran Chi Cuong
- Medical Entomology and Zoology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
| | - Yoshihide Maekawa
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Sai Gek Lam-Phua
- Environmental Health Institute, National Environment Agency, Singapore
| | - Verena Pichler
- Parasitology Unit, Department of Public Health and Infectious Diseases, Università di Roma 'La Sapienza', Rome, Italy
| | - Kentaro Itokawa
- Department of Research Promotion, Japan Agency for Medical Research and Development, Tokyo, Japan.,Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Katsunori Murota
- Department of Research Promotion, Japan Agency for Medical Research and Development, Tokyo, Japan.,Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Osamu Komagata
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Chigusa Yoshida
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Han-Hsuan Chung
- Center for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, Taiwan
| | - Romeo Bellini
- Agriculture and Environment Centre "G. Nicoli", Crevalcore, Italy
| | - Yoshio Tsuda
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hwa-Jen Teng
- Center for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, Taiwan
| | | | - Luiz Carlos Alves
- Aggeu Magalhães Institute, FIOCRUZ, Recife, Brazil.,Laboratório de Imunopatologia Keizo Asami, UFPE, Recife, Brazil
| | - Lee Ching Ng
- Department of Research Promotion, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Noboru Minakawa
- Department of Vector Ecology and Environment, Nagasaki University, Nagasaki, Japan
| | - Nguyen Thi Yen
- Medical Entomology and Zoology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
| | - Tran Vu Phong
- Medical Entomology and Zoology Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
| | - Kyoko Sawabe
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takashi Tomita
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
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Caputo B, Manica M. Mosquito surveillance and disease outbreak risk models to inform mosquito-control operations in Europe. CURRENT OPINION IN INSECT SCIENCE 2020; 39:101-108. [PMID: 32403040 DOI: 10.1016/j.cois.2020.03.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/09/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Surveillance programs are needed to guide mosquito-control operations to reduce both nuisance and the spread of mosquito-borne diseases. Understanding the thresholds for action to reduce both nuisance and the risk of arbovirus transmission is becoming critical. To date, mosquito surveillance is mainly implemented to inform about pathogen transmission risks rather than to reduce mosquito nuisance even though lots of control efforts are aimed at the latter. Passive surveillance, such as digital monitoring (validated by entomological trapping), is a powerful tool to record biting rates in real time. High-quality data are essential to model the risk of arbovirus diseases. For invasive pathogens, efforts are needed to predict the arrival of infected hosts linked to the small-scale vector to host contact ratio, while for endemic pathogens efforts are needed to set up region-wide highly structured surveillance measures to understand seasonal re-activation and pathogen transmission in order to carry out effective control operations.
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Affiliation(s)
- Beniamino Caputo
- Department of Public Health and Infectious Diseases, University of Rome La Sapienza, Piazzale A. Moro 5, 38010, 00185 Rome, Italy.
| | - Mattia Manica
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all' Adige, Italy
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Pichler V, Malandruccolo C, Serini P, Bellini R, Severini F, Toma L, Di Luca M, Montarsi F, Ballardini M, Manica M, Petrarca V, Vontas J, Kasai S, Della Torre A, Caputo B. Phenotypic and genotypic pyrethroid resistance of Aedes albopictus, with focus on the 2017 chikungunya outbreak in Italy. PEST MANAGEMENT SCIENCE 2019; 75:2642-2651. [PMID: 30729706 DOI: 10.1002/ps.5369] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 12/31/2018] [Accepted: 02/02/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND The highly invasive mosquito species Aedes albopictus has become a major health concern in temperate areas due to its role as vector of exotic arboviruses. Pyrethroid insecticides represent the main tools for limiting the circulation of such mosquito-borne viruses. The present work aim to extend previous reports on phenotypic pyrethroid-resistance in European Ae. albopictus, to identify its genetic basis and to monitor the geographical distribution of resistant genotypes, with a particular focus on sites experiencing the 2017 chikungunya outbreak in Italy. RESULTS Bioassays, performed according to World Health Organization protocols, showed full susceptibility to deltamethrin (concentration = 0.05%) and varying levels of resistance to permethrin (0.75%) and/or α-cypermethrin (0.05%) across Italy, with highest levels in the core of the 2017 chikungunya outbreak. Partial genotyping of the VSSC gene revealed widespread distribution of V1016G mutation and confirmed its association with pyrethroid resistance. CONCLUSION The results obtained show that the condition for the spread of pyrethroid resistance in Ae. albopictus in Europe exists under strong selective pressure due to intensive insecticide spraying to control exotic arbovirus outbreak or high levels of nuisance. The results draw attention to the need for an evidence-based implementation of mosquito nuisance control, taking insecticide resistance management into consideration. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Verena Pichler
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Rome, Italy
| | - Chiara Malandruccolo
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Rome, Italy
| | - Paola Serini
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Rome, Italy
| | - Romeo Bellini
- Centro Agricoltura Ambiente "G.Nicoli", Crevalcore, Italy
| | - Francesco Severini
- Dipartimento di Malattie Infettive, Istituto Superiore di Sanità, Rome, Italy
| | - Luciano Toma
- Dipartimento di Malattie Infettive, Istituto Superiore di Sanità, Rome, Italy
| | - Marco Di Luca
- Dipartimento di Malattie Infettive, Istituto Superiore di Sanità, Rome, Italy
| | | | - Marco Ballardini
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Torino, Italy
| | - Mattia Manica
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Vincenzo Petrarca
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Rome, Italy
| | - John Vontas
- Institute of Molecular Biology & Biotechnology, Foundation for Research & Technology Hellas, Heraklion, Greece
- Agricultural University of Athens, Athens, Greece
| | - Shinji Kasai
- Department of Medical Entomology, National Institute of Infectious Diseases, Tokyo, Japan
| | | | - Beniamino Caputo
- Dipartimento di Sanità Pubblica e Malattie Infettive, Università Sapienza, Rome, Italy
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Pichler V, Bellini R, Veronesi R, Arnoldi D, Rizzoli A, Lia RP, Otranto D, Montarsi F, Carlin S, Ballardini M, Antognini E, Salvemini M, Brianti E, Gaglio G, Manica M, Cobre P, Serini P, Velo E, Vontas J, Kioulos I, Pinto J, Della Torre A, Caputo B. First evidence of resistance to pyrethroid insecticides in Italian Aedes albopictus populations 26 years after invasion. PEST MANAGEMENT SCIENCE 2018; 74:1319-1327. [PMID: 29278457 DOI: 10.1002/ps.4840] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/18/2017] [Accepted: 12/20/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Aedes albopictus has spread during the last few decades all over the world. This has increased significantly the risk of exotic arbovirus transmission (e.g. chikungunya, dengue, and Zika) also in temperate areas, as demonstrated by the Chikungunya 2007 and 2017 outbreaks in northeastern and central Italy. Insecticides are an important tool for limiting the circulation of these mosquito-borne viruses. The aim of the present study was to address the gap in current knowledge of pyrethroid insecticide resistance of European Ae. albopictus populations, focusing on populations from Italy, Albania and Greece. RESULTS Bioassays for resistance to permethrin (0.75%), α-cypermethrin (0.05%) or deltamethrin (0.05%) were performed according to World Health Organization (WHO) protocols and showed reduced susceptibility (<90% mortality) of some Italian populations to permethrin and α-cypermethrin, but not to deltamethrin. CONCLUSION This study reports the first evidence of resistance to pyrethroids in adult Italian Ae. albopictus populations. Results refer to the season preceding the Chikungunya 2017 outbreak in central Italy and highlight the need to increase efforts to monitor the spread of insecticide resistance and the need to develop strategies to limit the spread of insecticide resistance, particularly in areas where extensive treatments have been carried out to contain disease outbreaks. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Verena Pichler
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Romeo Bellini
- Department of Medical and Veterinary Entomology, Centro Agricoltura Ambiente "G. Nicoli", Crevalcore, Italy
| | - Rodolfo Veronesi
- Department of Medical and Veterinary Entomology, Centro Agricoltura Ambiente "G. Nicoli", Crevalcore, Italy
| | | | | | | | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Valenzano, Italy
| | | | - Sara Carlin
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy
| | - Marco Ballardini
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Torino, Italy
| | - Elisa Antognini
- Istituto Zooprofilattico Sperimentale Umbria e Marche, Ancona, Italy
| | - Marco Salvemini
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Emanuele Brianti
- Dipartimento di Scienze Veterinarie, Polo Universitario dell'Annunziata, Messina, Italy
| | - Gabriella Gaglio
- Dipartimento di Scienze Veterinarie, Polo Universitario dell'Annunziata, Messina, Italy
| | - Mattia Manica
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
- Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Pietro Cobre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Paola Serini
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | | | - John Vontas
- Agricultural University of Athens, Athens, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Greece
| | | | - Joao Pinto
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Alessandra Della Torre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Beniamino Caputo
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
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Heym EC, Schröder J, Kampen H, Walther D. The Nuisance Mosquito Anopheles plumbeus (Stephens, 1828) in Germany-A Questionnaire Survey May Help Support Surveillance and Control. Front Public Health 2017; 5:278. [PMID: 29164092 PMCID: PMC5663692 DOI: 10.3389/fpubh.2017.00278] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 09/28/2017] [Indexed: 11/17/2022] Open
Abstract
The mosquito species Anopheles plumbeus is an aggressive biter and a potential vector of malaria parasites and West Nile virus. It occurs naturally at low population densities, as its larval development is adapted to the specific water qualities found in tree holes. However, probably owing to environmental changes, it has recently been observed in several European countries to use increasingly often artificial breeding habitats that may lead to mass development and severe annoyance to humans living close by. The perception of mosquito nuisance, however, is very subjective, and breeding habitats are not always known, thus impeding targeted surveillance and control. To relate nuisance by An. plumbeus to specific environmental conditions, a questionnaire survey was carried out addressing persons who had submitted specimens of this particular mosquito species to the German citizen science project “Mueckenatlas”, an instrument of passive mosquito surveillance. The questionnaire was intended to find out whether a nuisance situation linked to An. plumbeus had existed, whether mosquito breeding habitats could be identified and whether control measures had been conducted. Despite some efforts, the participants who claimed to suffer from an An. plumbeus nuisance problem had rarely identified the source of the mosquitoes. Once control measures had been performed on abandoned manure pits, however, the nuisance problem disappeared or mosquito abundance was at least significantly reduced. Nevertheless, no significant effect of abandoned manure pits on the probability of an An. plumbeus nuisance could be demonstrated in a multivariate logistic regression model testing various variables. Instead, a significant positive effect of a disused farm nearby was found. The reason is probably that manure pits as the most frequent source of An. plumbeus mass development are often located on disused farms, without most people’s knowledge about their existence. Disused farms are therefore appropriate candidates to consider when it comes to public health issues connected to An. plumbeus such as surveillance of mass development and implementation of control measures.
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Affiliation(s)
- Eva C Heym
- Institute of Land Use Systems, Leibniz Centre for Agricultural Landscape Research, Muencheberg, Germany
| | - Jette Schröder
- Survey Design and Methodology, GESIS Leibniz Institute for the Social Sciences, Mannheim, Germany
| | - Helge Kampen
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald, Insel Riems, Germany
| | - Doreen Walther
- Institute of Land Use Systems, Leibniz Centre for Agricultural Landscape Research, Muencheberg, Germany
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Bengoa M, Eritja R, Delacour S, Miranda MÁ, Sureda A, Lucientes J. First Data on Resistance to Pyrethroids in Wild Populations of Aedes albopictus from Spain. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 2017; 33:246-249. [PMID: 28854116 DOI: 10.2987/17-6636r.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The invasive mosquito, Aedes albopictus, found in Spain since 2004, is a competent vector of yellow fever, Zika, dengue, and chikungunya viruses among other diseases. Although controversial, the use of adulticiding is a relevant tool for vector control and could be crucial for the management of any possible outbreak of imported diseases. We present the 1st study in Spain on the susceptibility of field populations from Barcelona, Peñíscola, Castellón, and Mallorca of Ae. albopictus to several pyrethroids using either bioassays under the World Health Organization methodology and biochemical tests. In the bioassays, the discriminating concentrations were calculated using a local, susceptible laboratory strain. Different susceptibility levels were found for some combinations of populations and products. The biochemical tests carried out by enzymatic analysis supported these results, showing an overexpression of glutathione S-transferase activity in 1 population.
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