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Borrelia garinii and Francisella tularensis subsp. holarctica detected in migratory shorebirds in Portugal
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Orientador(es)
Resumo(s)
Migratory shorebirds use, among many, the East
Atlantic Flyway that links breeding areas as north as Tundra
habitats to aquatic wintering grounds in West Africa. As a
consequence, they are potentially important in the spread of
global zoonotic diseases transmitted by ticks, such as Lyme
borreliosis and tularemia—two diseases previously detected
in Portugal. In this study, we looked at the infection status of
seven populations of shorebirds during their migration,
breeding, or wintering in the Portuguese wetlands to access
if they carry these pathogens and to discuss their potential
risk in the Portuguese wetlands. A total of 212 migratory
shorebirds captured in the Tagus and Sado estuaries; key
staging and wintering sites in this flyway and important
breeding areas for some species were analyzed for the
presence of Borrelia burgdorferi sensu lato and Francisella tularensis. In the present study, B. garinii was identified in
seven (3%) specimens (five black-tailed godwits Limosa
limosa, one common redshank Tringa totanus, and one little
stint Calidris minuta), whereas F. tularensis subsp. holarctica
was identified in one (0.4%) little stint. To our knowledge, this
is the first evidence that shorebirds that migrate through or
winter in Portugal transport these pathogens, potentially contributing
for their introduction along the flyway, including the
Mediterranean region.
Descrição
Palavras-chave
B. garinii F. tularensis subsp Holarctica Migratory Shorebirds Portugal Estudos de Vectores e Doenças Infecciosas
Contexto Educativo
Citação
Eur J Wildl Res. 2012. Epub 2012 Feb 10