The mass use of deltamethrin collars to control and prevent canine visceral leishmaniasis: A field effectiveness study in a highly endemic area

PLoS Neglected Tropical Diseases
Bruna Martins Macedo LeiteDeborah Bittencourt Mothé Fraga

Abstract

Visceral leishmaniasis (VL) is a zoonosis of great importance. Limitations in current VL control measures compromise efficacy, indicating the need to implement new strategies. The aim of this study was to evaluate the effectiveness of the mass use of deltamethrin-impregnated collars in dogs as a public health measure to control and prevent canine visceral leishmaniasis (CVL). An interventional study was implemented in two endemic areas in the district of Monte Gordo (Bahia-Brazil): an intervention area, in which VL seronegative dogs were collared, and a control area in which only conventional CVL control measures were applied. At baseline, seropositive dogs were removed and seronegative dogs were included. Dogs were then reevaluated every 7-8 months for almost two years. At each time point, dogs in the intervention area that remained seronegative received new collars and newly identified seronegative dogs were included and collared. The local zoonosis control authorities were notified of any dogs that tested seropositive in both areas, which were subsequently marked for euthanasia as mandated by the Brazilian Ministry of Health. In the first serological survey, seroprevalence was similar in both areas. At the second evaluation,...Continue Reading

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Citations

Jul 6, 2019·PloS One·Daniela LamattinaOscar Daniel Salomón
Jun 27, 2019·PLoS Neglected Tropical Diseases·Leonardo M LeonyFred L N Santos
Jan 11, 2020·Frontiers in Cellular and Infection Microbiology·Ana Alice Maia GonçalvesRodolfo Cordeiro Giunchetti

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