Temporal trends in canine leishmaniosis in the Balearic Islands (Spain): A veterinary questionnaire. Prospective canine leishmaniosis survey and entomological studies conducted on the Island of Minorca, 20 years after first data were obtained

M. M. Alcover, C. Ballart, T. Serra, X. Castells, A. Scalone, S. Castillejo, C. Riera, S. Tebar, M. Gramiccia, M. Portús, M. Gállego

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9 Citations (Scopus)

Abstract

Leishmaniosis is present in the Mediterranean region of Europe, where Leishmania infantum is responsible for the disease, dogs are the main reservoir, and sand flies of the Phlebotomus genus, subgenus Larroussius, are proven vectors. Some areas, including Minorca in the Balearic Islands, are considered free of the disease, despite the presence of vectors. However, in the context of the current expansion of canine leishmaniosis in parts of Europe, an epidemiological study using a veterinary questionnaire was carried out to establish the current situation of the disease in the Balearic Islands. While 50% of veterinarians thought that the incidence of canine leishmaniosis had not changed over time, 26.2% perceived an increasing trend, mainly those from Minorca, where most of the veterinarians polled (88.1%) considered the new diagnosed cases as autochthonous. A cross-sectional serological study performed in this island gave a seroprevalence rate of 24%. Seroprevalence among animals of local origin and with no history of movements to endemic areas was 31%. The presence of autochthonous canine leishmaniosis in Minorca was not correlated with an increase in vector density. The environmental and climatic factors that influenced the distribution and density of Phlebotomus perniciosus on the island and the possible causes of the apparent emergence of canine leishmaniosis in Minorca are discussed. © 2013 Elsevier B.V.
Original languageEnglish
Pages (from-to)642-651
JournalActa Tropica
Volume128
Issue number3
DOIs
Publication statusPublished - 1 Dec 2013

Keywords

  • Balearic Islands
  • Canine leishmaniosis
  • Minorca
  • Phlebotomus perniciosus
  • Serology
  • Veterinary questionnaire

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