Results: 59

Seroprevalencia de anticuerpos anti-Mycoplasma pneumoniae en niños menores de 12 años

Rev. chil. pediatr; 91 (3), 2020
Resumen: Introducción: La infección por Mycoplasma pneumoniae (Mypn) podría estar ocurriendo a edades más tempranas, debido a fenómenos sociales como concurrencia a centros de cuidado diurno en forma más frecuente y precoz. Objetivo: estimar la prevalencia de anticuerpos anti-Mypn en niños de ...

Detection of tick-borne rickettsial pathogens in naturally infected dogs and dog-associated ticks in Medellin, Colombia

Abstract Tick-borne rickettsial pathogens (TBRP) are important causes of infections in both dogs and humans. Dogs play an important role as a biological host for several tick species and can serve as sentinels for rickettsial infections. Our aim was to determine the presence of TBRP in dogs and in dog-as...

Serosurvey on rickettsiae of the spotted fever group and Rickettsia bellii among dogs in the state of Goiás, Brazil

Abstract The purpose of this study was to do a serological survey on three rickettsial species: Rickettsia rickettsii and Rickettsia parkeri, two species of the spotted fever group (SFG) that are considered to be great importance for public health; and Rickettsia bellii, a species of unknown pathogenicit...

Serological occurrence for tick-borne agents in beef cattle in the Brazilian Pantanal

Abstract This study investigated the seropositivity for five different tick-borne agents, namely Anaplasma marginale, Babesia bovis, Babesia bigemina, Coxiella burnetii, Anaplasma phagocytophilum, and Trypanosoma vivax in beef cattle in the Brazilian Pantanal. The serum samples collected from animals (20...

Spotted fever group rickettsial infection in dogs and their ticks from domestic-wildlife interface areas in southeastern Brazil

Abstract Rickettsia rickettsii is the causative agent of Brazilian spotted fever (BSF), for which humans and dogs are both susceptible. Dogs are sentinels in serological surveys, however, canine disease is rarely reported. Therefore, we aimed to evaluate natural infection by spotted fever group (SFG) Ric...

Seroprevalencia de leptospirosis en grupos humanos en riesgo por factores ambientales, laborales o sociales

Rev. argent. microbiol; 51 (4), 2019
Abstract Leptospirosis is important in Uruguay due to the economic loss caused by the diseases of production animals, mainly bovines, and also due to frequent human infection. We decided to study anti-Leptospira antibodies in the sera of dairy workers, rice laborers, veterinarians, suburban slum dwellers...

Serosurveillance for vaccine-preventable diseases: A look inside the pertussis experience

Biomédica (Bogotá); 39 (supl.2), 2019
Abstract Introduction: Serological surveillance (serosurveillance) provides the most direct measure of herd immunity of vaccine-preventable diseases. Little is known about the opportunities and challenges of serosurveillance experiences, particularly pertussis. Objective: To describe the process of ser...

Leprosy: prevalence and factors associated with seropositivity for anti-NDO-LID antibodies in children under 15 years of age

An. bras. dermatol; 94 (4), 2019
Abstract: Background: A high prevalence of leprosy among children under 15 years of age indicates the need to implement actions to prevent new cases of the disease. Serological tests have been developed with the aim of helping to control the disease by indicating, through seropositivity, the presence of...

Epidemiological relevance of dogs for the prevention of Toxoplasma gondii, Neospora caninum and Leptospira spp

Abstract This study evaluated the seroprevalence of Toxoplasma gondii, Neospora caninum and Leptospira spp. in dogs from Foz do Iguaçu, Paraná, Brazil. Indirect immunofluorescent antibody test was used to detect antibodies anti-T.gondii and anti-N. caninum. Immunoenzymatic assay and microscopic serum a...

Seroprevalencia de Bordetella pertussis en el personal de enfermería y médicos residentes del Hospital Infantil de México Federico Gómez

Resumen Introducción Bordetella pertussis es el agente causal de la tosferina, una enfermedad de alta letalidad, especialmente en menores de 6 meses, pero prevenible mediante la vacunación. Los reportes en hospitales de brotes de tosferina muestran que el caso índice suelen ser personas adultas. En a...