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Global Health and Tropical Medicine

Home / Archives for Cristóvão JM

An Unusual Case of Feline Leishmaniosis With Involvement of the Mammary Glands

We report an unusual case of leishmaniosis with the involvement of mammary glands in an old cat with what seems to be a concurrent regressive feline leukemia virus infection. Leishmania donovani complex parasites were identified for the first time in inflammatory breast fluid during a clinical recurrence manifested about 4 years after the first diagnosis of feline […]
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Antibody response to Phlebotomus perniciosus saliva in cats naturally exposed to phlebotomine sand flies is positively associated with Leishmania infection

Background Zoonotic leishmaniosis, caused by the protozoan Leishmania infantum, is a public and animal health problem in Asia, Central and South America, the Middle East and the Mediterranean Basin. Several phlebotomine sand fly species from the subgenus Larroussius are vectors of L. infantum. Data from dogs living in endemic areas of leishmaniosis advocate the use of antibody response to […]
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Detection of Rickettsia conorii israelensis DNA in the Blood of a Cat and a Dog From Southern Portugal

Vector-borne rickettsioses represent emerging threats to public health worldwide. The aim of this work was the screening for the presence of Rickettsia spp. in the blood of dogs and cats from southern Portugal. A PCR product of the expected size was amplified from DNA extracts obtained from blood samples of 29 out of 225 (12.9%) cats and […]
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Serological investigation of Leishmania infantum, Dirofilaria immitis and Angiostrongylus vasorum in dogs from southern Portugal

Leishmaniosis, dirofilariosis and angiostrongylosis are parasitic diseases of established importance in dogs worldwide. The aim of the present report was to determine all together levels of infection with or exposure to Leishmania infantum, Dirofilaria immitisand Angiostrongylus vasorum in dogs from the Algarve region, in southern Portugal. Serum samples were obtained from a total of 170 apparently healthy dogs. Antibodies […]
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First case of feline leishmaniosis caused by Leishmania infantum genotype E in a cat with concurrent nasal squamous cell carcinoma

CASE SUMMARY: This is the first clinical report of feline viscerocutaneous leishmaniosis caused by Leishmania infantum genotype E associated with an invasive squamous cell carcinoma (SCC) in a domestic cat from Portugal. Initially, the cat presented a single cutaneous lesion in the right nostril. A fine-needle aspiration was performed and Leishmania amastigotes were observed without the presence of cells […]
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GHTM is a R&D Unit that brings together researchers with a track record in Tropical Medicine and International & Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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