Vector borne and zoonotic diseases (Larchmont, N.Y.) · 2018
A Nationwide Seroepidemiologic Study on Q Fever Antibodies in Sheep of Portugal.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Cruz Rita, Esteves Fernando, Vasconcelos-Nóbrega Carmen, Santos Carla, Ferreira Ana S, Mega Cristina, Coelho Ana C, Vala Helena, Mesquita João R
Аннотация
INTRODUCTION: Q fever is an almost global zoonotic disease caused by Coxiella burnetii. Human infections can produce acute and chronic disease that can lead to abortions and stillbirths in pregnant women, usually infected by the inhalation of C. burnetii-contaminated aerosols or through consumption of contaminated products. Sheep are one of the primary animal reservoirs with disease being associated with vast shedding of bacteria in placentas, feces, milk, and birth fluids. Although almost neglected in the past, recent outbreaks of sheep origin have alerted the public and the scientific community.
MATERIALS AND METHODS: An epidemiologic survey to estimate the seroprevalence of Q fever antibodies was performed in a representative number of sheep of all regions of continental Portugal (n = 1068), using a commercial ELISA (ID Screen Q Fever Indirect Multi-species Kit; IDvet™, Montpellier, France).
RESULTS AND DISCUSSION: An anti-C. burnetii seroprevalence of 11.4% (95% confidence interval 9.6-13.5) was found, with a clear distinction between the Center region with highest seroprevalence, and the rest of the territory. Sheep traditional farming is widely present in Portugal and is part of the cultural and gastronomical background of the country. This close proximity to small ruminants may contribute to the zoonotic transfer to humans.
MATERIALS AND METHODS: An epidemiologic survey to estimate the seroprevalence of Q fever antibodies was performed in a representative number of sheep of all regions of continental Portugal (n = 1068), using a commercial ELISA (ID Screen Q Fever Indirect Multi-species Kit; IDvet™, Montpellier, France).
RESULTS AND DISCUSSION: An anti-C. burnetii seroprevalence of 11.4% (95% confidence interval 9.6-13.5) was found, with a clear distinction between the Center region with highest seroprevalence, and the rest of the territory. Sheep traditional farming is widely present in Portugal and is part of the cultural and gastronomical background of the country. This close proximity to small ruminants may contribute to the zoonotic transfer to humans.