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Occurrence and risk factors of equine piroplasmosis in Portugal: A five-year retrospective study.
Vet Parasitol
December 2024
CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Portugal; Elvas School of Biosciences, Polytechnic Institute of Portalegre, Portugal; VALORIZA - Research Centre for Endogenous Resources Valorisation, Polytechnic Institute of Portalegre, Portugal.
Equine piroplasmosis (EP) is a tick-borne disease of equids caused by Theileria equi, Theileria haneyi, and Babesia caballi. EP is endemic in most tropical and subtropical regions worldwide, and there is a likelihood that it is also endemic in Portugal. This retrospective study aimed to determine the seroprevalence, prevalence, and potential risk factors of EP in our country over the past five years.
View Article and Find Full Text PDFMolecular identification of tick (Acari: Ixodidae) and tick-borne pathogens from Przewalski's gazelle (Procapra Przewalskii) and Tibetan sheep (Ovis aries) in Qinghai Lake National Nature Reserve, China.
Heliyon
December 2024
Qinghai University State Key Laboratory of Plateau Ecology and Agriculture, Xining, 810016, Qinghai, China.
The Qinghai Lake National Nature Reserve (QLNNR), renowned for its abundant natural resources and diverse ecological habitats, serves as an ideal environment for ticks, thereby increasing the risk of various tick-borne pathogens (TBPs) transmission. This study aimed to investigate the prevalence of TBPs in ticks collected from Przewalski's gazelle and Tibetan sheep within the QLNNR. A total of 313 tick samples were collected from the vicinity of Qinghai Lake.
View Article and Find Full Text PDFTick-borne pathogens from ruminant ticks in a Mediterranean ecosystem from Eastern Spain.
Med Vet Entomol
December 2024
Department of Animal Production and Public Health, Faculty of Veterinary Medicine and Experimental Sciences, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain.
Vector-borne diseases represent various sicknesses that are increasingly significant in human and veterinary health. Among the zoonotic agents transmitted by ticks, infections caused by the intracellular pathogens from the Anaplasmataceae family and piroplasmids (Babesia/Theileria spp.) are particularly notable due to the substantial economic losses they cause in the livestock sector.
View Article and Find Full Text PDFModeling of periodic input Ornstein-Uhlenbeck temperature-tick-borne disease transmission coupling mechanism under climate change.
Acta Trop
December 2024
School of Mathematical Sciences, Tiangong University, Tianjin, 300387, PR China. Electronic address:
Given the rapid increase in climate change, investigating the impact of climate change on the transmission mechanism of tick-borne diseases is imperative. In order to fully capture the influence of the seasonal variation of temperature, environmental disturbances and the co-feeding transmission on the spread of tick-borne diseases, we propose a novel stochastic dynamical model that couples the mean-reverting Ornstein-Uhlenbeck temperature equation with periodic input to the tick-borne disease model. Through theoretical analysis, we derive sufficient conditions for the extinction of tick populations and the eradication of tick-borne diseases, as well as the stochastic persistence conditions of the system.
View Article and Find Full Text PDFTicked Off: A Case of Disappearing Cell Lines.
Cureus
November 2024
Internal Medicine, Weiss Memorial Hospital, Chicago, USA.
Human granulocytic anaplasmosis (HGA) is transmitted by the black-legged tick and presents with fever, thrombocytopenia, leukocytopenia, and elevated transaminases. If left untreated, HGA can progress to hemophagocytic lymphohistiocytosis (HLH), which can be fatal. Here, we discuss a case of a woman diagnosed with anaplasmosis who was treated promptly.
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