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At least 163 records · Page 9Linked to original sources
PubMedDate not supplied

Toxocarosis as zoonosis. A review of literature and the prevalence of Toxocara canis antibodies in 511 serum samples.

A total of 511 serum samples from children aged between 6 months to 15 years old, with different clinical signs-living in the region of Northern Greece - were tested by ELISA (enzyme links immunosorbent assay) technique, for the detection of specific IgG and IgM antibodies against T. canis antigen. The reason IgM was detected was because IgM levels are elevated in the acute phase of toxocara infection, in spite of their notorious non-specificity. In this seroepidemiologic survey of children, a remarkably high percentage (12.5%) reacted positively to this method. Sixteen (3.1%) out of 511 sera showed IgG antibodies, 43 (8.4%) showed IgM, while 5 (1%) showed both IgG and IgM antibodies against T. canis E/S (excretory - secretory) antigen. Females were significantly more infected than males. Seropositivity rate was highest in children over the age of 10.

Journal Article↗
PubMed2006

Risk analysis and bovine tuberculosis, a re-emerging zoonosis.

The widespread of immunodeficiency with AIDS, the consequence of poverty on sanitary protection and information at both individual and state levels lead control of tuberculosis (TB) to be one of the priorities of World Health Organization programs. The impact of bovine tuberculosis (BTB) on humans is poorly documented. However, BTB remains a major problem for livestock in developing countries particularly in Africa and wildlife is responsible for the failure of TB eradication programs. In Africa, the consumption of raw milk and raw meat, and the development of bushmeat consumption as a cheap source of proteins, represent one of the principal routes for human contaminations with BTB. The exploration of these different pathways using tools as participatory epidemiology allows the risk analysis of the impact of BTB on human health in Africa. This analysis represents a management support and decision tool in the study and the control of zoonotic BTB.

Africa↗
PubMed1979

Is encephalitozoonosis a zoonosis?

Encephalitozoon cuniculi has often been cited as a human pathogen although few cases (of disease) have been described in the literature. A discussion of these cases suggests that this microsporidium should not be regarded as a pathogen of man.

Animals↗
PubMed2001

Sporotrichosis: an emergent zoonosis in Rio de Janeiro.

During the period from 1987 to 1998, 13 cases of human sporotrichosis were recorded at the Research Center Evandro Chagas Hospital (CPqHEC) in Rio de Janeiro. Two of these patients related scratch by a sick cat. During the subsequent period from July 1998 to July 2000, 66 human, 117 cats and 7 dogs with sporotrichosis were diagnosed at the CPqHEC. Fifty-two humans (78.8%) reported contact with cats with sporotrichosis, and 31 (47%) of them reporting a history of a scratch or bite. This epidemic, unprecedented in the literature, involving cats, dogs and human beings may have started insidiously before 1998.

Adolescent↗
PubMedDate not supplied

[Canine heartworm on São Luís Island, Northeastern Brazil: a potential zoonosis].

A survey on the prevalence of canine heartworm was conducted in 1, 495 dogs from Maranhão Island, State of Maranhão, Northeastern Brazil, from 1991 to 1994, by testing for microfilariae in blood. Of the total, 1,358 (12.8% of which were infected) were dogs with no known history; they included 1,265 homeless animals (10.3% with microfilariae) and 93 kept by owners at the time the survey was conducted (37.8% of which were infected). Prevalence is high among dogs captured and/or living along the seashore. Examples of such high coastal prevalence rates were found in Olho d'Agua and Calhau (46% and 43%, respectively). The search for microfilariae in blood samples of 137 exclusively domiciliary dogs with a known history showed that 43% of these animals were infected, confirming transmission of heartworm on the island. This was the first survey formally published on canine dirofilariasis in Northeastern Brazil. Since D. immitis is infective to man and prevalence of the parasite is high, particularly along the coast of Maranhão Island, human cases of dirofilariasis may be expected. Local physicians should consider this parasite among the possible causes of solitary lesions in humans living in this area.

Animals↗
PubMed1985

Human monkeypox: a newly emerged orthopoxvirus zoonosis in the tropical rain forests of Africa.

During the course of the recently concluded smallpox eradication program, a new human orthopoxvirus infection was discovered which is caused by monkeypox virus. The disease occurs sporadically in remote villages within tropical rain forests of West and Central Africa. The disease is rare; only 155 cases having been reported from 1970 to 1983. The symptoms and signs of human monkeypox resemble those of smallpox, differing significantly only in the occurrence of lymphadenopathy with human monkeypox disease. Of 155 cases, some 80% are believed to have resulted from infection from an as yet unknown animal reservoir; the rest occurred among unvaccinated close contacts among whom a secondary attack rate of 15% was observed. Although person-to-person spread appears to have occurred in some instances, few cases were observed in the third or fourth generation of transmission and none thereafter. Since 1982, the incidence of human monkeypox infections in Zaire has increased concomitant with an intensified surveillance program. Additional reasons which might explain the increased incidence are discussed. Further surveillance and research of this primarily zoonotic infection are warranted and are in progress.

Adolescent↗