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Dias LKS, Sanhueza-Sanzana C, Pinheiro FML, Martins AF, Correia FGS, de Aguiar IWO, Ferreira NC, Stolow J, Rutherford G, Teixeira MG, Pires RDJ, de Almeida RLF, Coelho ICB, Frota CC, Kendall C, Kerr LRFS. Use of insect repellent as personal protection among women of childbearing age in an arbovirus endemic area in Northeastern Brazil. Rev Bras Epidemiol 2024; 27:e240025. [PMID: 38747743 PMCID: PMC11093518 DOI: 10.1590/1980-549720240025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 01/11/2024] [Accepted: 01/30/2024] [Indexed: 05/19/2024] Open
Abstract
OBJECTIVE To analyze the factors associated with the individual use of insect repellent by women of childbearing age living in area endemic for arboviruses in Fortaleza, Brazil. METHODS This is a cohort study carried out between 2018 and 2019 with women aged between 15 and 39 years in Fortaleza, state of Ceará, Brazil. A total of 1,173 women users of one of the four selected primary health care units participated in the study. The outcome was divided into: continued use, discontinued use, and nonuse of insect repellent. Crude and adjusted multinominal logistic regression analysis was carried out guided by a hierarchical model, with presentation of the respective odds ratio (OR) and 95% confidence intervals (95%CI). The independent variables include: socioeconomic and demographic data, environmental and sanitary characteristics, knowledge of the insect repellent, and behavioral and pregnancy-related aspects. RESULTS Only 28% of the participants reported using insect repellent during the two waves of the cohort. Women with higher education (OR=2.55; 95%CI 1.44-4.51); who are employed (OR=1.51; 95%CI 1.12-2.03); who received guidance from healthcare professionals (OR=1.74; 95%CI 1.28-2.36) and the media (OR=1.43; 95%CI 1.01-2.02); who intensified precautions against mosquitoes during the epidemic (OR=3.64; 95%CI 2.29-5.78); and who were pregnant between 2016 and 2019 (OR=2.80; 95%CI 1.83-4.30) had increased odds for continued use of insect repellent. CONCLUSION The use of insect repellent among women of childbearing age was associated with a higher level of education, employment, guidance on insect repellent provided by healthcare professionals and the media, behavioral changes to protect against mosquitoes during the Zika virus epidemic, and pregnancy when occurring as of the beginning of the epidemic period.
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Affiliation(s)
- Livia Karla Sales Dias
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
| | - Carlos Sanhueza-Sanzana
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
| | | | - Adriano Ferreira Martins
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
| | | | | | - Nayane Cavalcante Ferreira
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
| | - Jeni Stolow
- Tulane University, Tulane School of Public Health and Tropical Medicine, Department of Social Behavior and Population Science – New Orleans (LA), USA
| | - George Rutherford
- University of California, Department of Epidemiology and Biostatistics – San Francisco, California (CA), USA
| | - Maria Gloria Teixeira
- Universidade Federal da Bahia, Institute of Collective Health – Salvador (BA), Brazil
| | - Roberto da Justa Pires
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
| | | | - Ivo Castelo Branco Coelho
- Universidade Federal do Ceará, School of Medicine, Department of Pathology and Legal Medicine – Fortaleza (CE), Brazil
| | - Cristiane Cunha Frota
- Universidade Federal do Ceará, School of Medicine, Department of Pathology and Legal Medicine – Fortaleza (CE), Brazil
| | - Carl Kendall
- Universidade Federal do Ceará, School of Medicine, Department of Community Health – Fortaleza (CE), Brazil
- Tulane University, Tulane School of Public Health and Tropical Medicine, Department of Social Behavior and Population Science – New Orleans (LA), USA
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Cagáň Ľ, Apacsová Fusková M, Hlávková D, Skoková Habuštová O. Essential Oils: Useful Tools in Storage-Pest Management. Plants (Basel) 2022; 11:plants11223077. [PMID: 36432806 PMCID: PMC9692832 DOI: 10.3390/plants11223077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 05/31/2023]
Abstract
This study aimed to verify the level of repellent and mortality effect of two chemical substances (DEET and 2-undecanone) and seven essential oils (EOs), Allium sativum, Artemisia annua, Ocimum basilicum, Lavandula angustifolia, Eucalyptus globulus, Pinus sylvestris, and Curcuma longa. The storage pests Tribolium confusum, Tenebrio molitor, and Acanthoscelides obtectus were exposed to various concentrations in an olfactometer-and-mortality test. The effects were recorded 24-48-72 h after the treatments were applied. A. sativum, E. globulus, and L. augustifolia were found to have significant repellence effects. A substantial lethal effect was observed for A. sativum, E. globulus, and O. basilicum. We also found that even if the most efficient EOs were diluted to low concentrations, they still produced repellent and mortality effects. The presented results indicate that A. sativum and O. basilicum were the most effective against T. confusum and T. molitor; simultaneously, L. angustifolia and C. longa showed high activity against A. obtectus. All of these efficient EOs could be applied as effective bio-control agents in various stored conditions.
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Affiliation(s)
- Ľudovít Cagáň
- Department of Plant Protection, Slovak University of Agriculture, 949 76 Nitra, Slovakia
| | - Miroslava Apacsová Fusková
- National Agricultural and Food Centre, Research Institute of Plant Production, 921 01 Piešťany, Slovakia
| | - Daniela Hlávková
- Biology Centre, Czech Academy of Sciences, Institute of Entomology, 370 05 České Budějovice, Czech Republic
- Faculty of Science, University of South Bohemia, Branišovská 31a, 370 05 České Budějovice, Czech Republic
| | - Oxana Skoková Habuštová
- Biology Centre, Czech Academy of Sciences, Institute of Entomology, 370 05 České Budějovice, Czech Republic
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Miller E, Dushoff J, Huppert A. The risk of incomplete personal protection coverage in vector-borne disease. J R Soc Interface 2016; 13:20150666. [PMID: 26911486 PMCID: PMC4780561 DOI: 10.1098/rsif.2015.0666] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 02/03/2016] [Indexed: 11/12/2022] Open
Abstract
Personal protection (PP) techniques, such as insecticide-treated nets, repellents and medications, include some of the most important and commonest ways used today to protect individuals from vector-borne infectious diseases. In this study, we explore the possibility that a PP intervention with partial coverage may have the counterintuitive effect of increasing disease burden at the population level, by increasing the biting intensity on the unprotected portion of the population. To this end, we have developed a dynamic model which incorporates parameters that describe the potential effects of PP on vector searching and biting behaviour and calculated its basic reproductive rate, R0. R0 is a well-established threshold of disease risk; the higher R0 is above unity, the stronger the disease onset intensity. When R0 is below unity, the disease is typically unable to persist. The model analysis revealed that partial coverage with popular PP techniques can realistically lead to a substantial increase in the reproductive number. An increase in R0 implies an increase in disease burden and difficulties in eradication efforts within certain parameter regimes. Our findings therefore stress the importance of studying vector behavioural patterns in response to PP interventions for future mitigation of vector-borne diseases.
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Affiliation(s)
- Ezer Miller
- The Biostatistics Unit, Gertner Institute for Epidemiology and Health Policy Research, Tel Hashomer, Israel Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Dushoff
- Department of Biology, McMaster University, Hamilton, Ontario, Canada
| | - Amit Huppert
- The Biostatistics Unit, Gertner Institute for Epidemiology and Health Policy Research, Tel Hashomer, Israel Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Schmidt W, Schulze TM, Brasse G, Nagrodzka E, Maczka M, Zettel J, Jones PG, Grunenberg J, Hilker M, Trauer-Kizilelma U, Braun U, Schulz S. Sigillin A, a unique polychlorinated arthropod deterrent from the snow flea Ceratophysella sigillata. Angew Chem Int Ed Engl 2015; 54:7698-702. [PMID: 25968581 DOI: 10.1002/anie.201501719] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 03/06/2015] [Indexed: 11/12/2022]
Abstract
The snow flea Ceratophysella sigillata, a winter-active species of springtail, produces unique polychlorinated octahydroisocoumarins to repel predators. The structure of the major compound, sigillin A, was elucidated through isolation, spectroscopic analysis, and X-ray crystallography. Sigillin A showed high repellent activity in a bioassay with predatory ants. A promising approach for the total synthesis of members of this new class of natural compounds was also developed.
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Affiliation(s)
- Witali Schmidt
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Thies M Schulze
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Gregor Brasse
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Edyta Nagrodzka
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Michael Maczka
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Jürg Zettel
- Speichergasse 8, 3150 Schwarzenburg (Switzerland)
| | - Peter G Jones
- Institut für Analytische und Anorganische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany)
| | - Jörg Grunenberg
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html
| | - Monika Hilker
- Institut für Biologie, Freie Universität Berlin, Haderslebener Strasse 9, 12163 Berlin (Germany)
| | - Ute Trauer-Kizilelma
- Institut für Biologie, Freie Universität Berlin, Haderslebener Strasse 9, 12163 Berlin (Germany)
| | - Ute Braun
- Institut für Biologie, Freie Universität Berlin, Haderslebener Strasse 9, 12163 Berlin (Germany)
| | - Stefan Schulz
- Institut für Organische Chemie, TU Braunschweig, Hagenring 30, 38106 Braunschweig (Germany) http://www.oc.tu-bs.de/schulz/index.html.
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