scholarly journals Serological trail of Brucella infection in an urban slum population in Brazil

2012 ◽  
Vol 6 (09) ◽  
pp. 675-679 ◽  
Author(s):  
Martha Olivera Angel ◽  
Paula Ristow ◽  
Albert Icksang Ko ◽  
Cecilia Di–Lorenzo

Introduction: Brucellosis is a re-emerging zoonosis with new cases reported each year in many Latin American countries, but it is mostly under-recognized. This study presents a serological investigation of infection with Brucella abortus and Brucella canis in a poor urban community in the city of Salvador, Brazil. Methodology: Human sera (n = 180) were randomly selected from 3,171 samples taken from healthy individuals during 2003-2004 and tested with C-ELISA for B. abortus and I-ELISA for B. canis. Results: Thirteen percent (24/180) of the individuals were positive for B. abortus and 4.6 % (8/174) were positive for B. canis. Among the variables studied only age (older than 45 years) appeared to be a risk factor for the detection of Brucella antibodies. Conclusion: These results indicate the presence of Brucella infection in this settlement and highlight the need to understand the epidemiology of infection under these circumstances to establish the necessary measures for surveillance and control.

2015 ◽  
Vol 45 (3) ◽  
pp. 265-270 ◽  
Author(s):  
Giselle Souza da PAZ ◽  
Katarine de Souza ROCHA ◽  
Michele de Souza LIMA ◽  
Ediene Moura JORGE ◽  
José Carlos Figueiredo PANTOJA ◽  
...  

Brucellosis and leptospirosis are widely spread bacterial infections and dogs are the most important source of infection and reservoir for diseases. Dogs can disseminate the agents in the environment and transmit them to humans and/or other animals. The objective of this study was assess the occurrence of reactive to antibodies anti-Leptospira spp., Brucella canis and B. abortus in Belém and Castanhal, State of Pará, Amazon, Brazil. A total of 156 samples were randomly collected in the city of Belém and 158 samples in Castanhal. The anti-B. canis antibodies research was performed by Agar Gel Immunodiffusion (AGID) with and without 2-mercaptoethanol serum treatment (AGID-2ME). To assess the anti-B. abortus antibodies, the technique of Fast Seroagglutination with buffered acidified plate antigen (BAPAT) was used. For anti-Leptospira spp. antibodies research, the Microscopic Agglutination Technique (MAT) was used. No animal reacted to Brucella abortus and one animal was reactive to B. canis at the AGID, but it was negative to the AGID-2ME test. Seventeen percent of dogs (47/274) presented anti-Leptospira spp. antibodies, with prevalence of serovar Canicola. The dogs from Belém and Castanhal are not source of infection for B. abortus and B. canis, however, they are reservoirs for different serovars of Leptospira spp.


2021 ◽  
Vol 7 (10) ◽  
pp. 96990-97007
Author(s):  
Mikel Ugando Peñate ◽  
Andrés Wladimir Herrera Manosalvas

The Quito Stock Exchange (QSE) through its objective of offering security to investors, has reflected an act based on good corporate governance practices, however, 2% of amounts correspond to shares that are traded nationally, being Ecuador one of the Latin American countries with the lowest amounts traded compared to 8% of GDP. The objective of the investigation is framed in determining if the investment criteria of Warren Buffett have applicability in the negotiations of actions in the QSE, added to this the presumed existence of aversion to risk on the part of the investor, but also the ignorance of the movement of market and securities transactions, with a population that possibly lacks financial education and does not have benchmarks to invest in a seemingly unknown market. The fields of inquiry that have been defined have to do with the buffettology that involves the investment techniques and criteria that have made Buffett the most famous investor worldwide and, on the other hand, the equity certificates of or documents that represent a Part of ownership of the assets of a company that in the future allows you to enjoy the derived benefits. In conclusion, the criteria are partially applicable in an average 72.23% within companies that could be very close to being excellent, with economic, legal and operational barriers that hold back the development of the stock market in the city of Quito.


2019 ◽  
Vol 37 (9) ◽  
pp. 1813-1821 ◽  
Author(s):  
Pablo Lamelas ◽  
Rafael Diaz ◽  
Andres Orlandini ◽  
Alvaro Avezum ◽  
Gustavo Oliveira ◽  
...  

Author(s):  
Karla M. Gámez-Pérez ◽  
Pilar Arroyo-López ◽  
Christopher R. Cherry

Bikeshare has emerged as an influential new technology to improve nonmotorized transportation in cities across the globe. Latin American countries have lagged in the implementation of bikeshare systems. As such, there is a lack of studies that focus on bikeshare potential in Latin America. This study contributes to filling that gap by examining the potential demand of a proposed bikeshare system in the city of León, located in the central part of Mexico. The data of a stratified survey of 519 respondents are used to estimate a binary logit model on the stated intention to use the bikeshare system and thus to assess the factors that influence the potential interest in this mode of transportation. Some aspects of the results are consistent with other studies: potential bikeshare users must have a safe infrastructure, they will use bikeshare for regular trips from home to work, and bikeshare is competitive for short-duration trips. A few findings contrast with other studies: potential bikeshare users tend to be lower income and are not already cyclists, and some have very long transit commutes.


2018 ◽  
Vol 34 (2) ◽  
pp. 201-205 ◽  
Author(s):  
Renny Granda ◽  
Juan D. Machin-Mastromatteo

Medellin Library Parks represent a successful case of urban planning that constructed a social pact for the city of Medellin (Colombia), which transitioned from being one of the most violent cities in the world to the most innovative one. This work presents the Medellin Library Parks initiative as research, socialization, education, recreation and leisure spaces; their conceptualization as a new kind of public library, the strategic plan behind them, their results, awards and potential influence in other Latin American countries.


2020 ◽  
Vol 1 (40) ◽  
pp. 35-59
Author(s):  
Chidiebere O. Anyaoha ◽  
Lynda O. Majesty-Alukagberie ◽  
Iniobong C I. Ugochukwu ◽  
John A. Nwanta ◽  
Boniface M. Anene ◽  
...  

Seroprevalence of the antibodies of Brucella canis and Brucella abortus in dogs was assessed using a cross-sectional survey in Anambra and Enugu States, Nigeria. A total of 123 Companion dogs made up of 65 clinic dogs, 34 slaughter dogs and 24 household dogs were screened. For B. abortus antibody assay, the collected serum was used for Rose Bengal plate test (RBPT), Serum agglutination test (SAT) and Solid Phase Immunoassay technique with Immunocomb® Canine Brucellosis Antibody Test Kit was used. Out of the 123 dogs screened, none was positive for Brucella abortus antibodies while 34 (27.7%) of the dogs screened were positive for B. canis antibodies. There was a significant association (P0.05) between infection and sex, the infection was significantly higher (P0.05) in female than male dogs. Prevalence was significantly higher (P0.05) in Exotic breeds than in mixed and local dog breeds. There was no association (P0.05) between infection and antibody titre levels in the different categories of dogs. However, there was significant association (P0.05) between the presence of Brucella canis antibodies and free roaming of dogs. This study provides the first serological evidence of B. canis infection in dogs in Enugu and Anambra States. This shows that B. canis is endemic in both states, underscoring the need for further studies. Female dogs, exotic breeds and freely roaming dogs are at a higher risk of Brucella infection in the study area; therefore, preventive and control measures are strongly recommended


2018 ◽  
Vol 15 (1) ◽  
Author(s):  
Natalia Pérez Torres

Abstract To think the borders of the metropolis beyond the representations associated with precariousness and crime presupposes recognizing the abundance and vitality of aesthetic practices and productions that are reconfiguring the discourses on the peripheries. In both Brazil and other Latin American countries, the emergence and diffusion of languages produced in the "margins" of cities call into question the center/periphery dualism - relativizing the existence of fixed boundaries, while proposing other ways of narrating different collective experiences. Commonly seen as a peripheral product, graffiti is an artistic language that express the multiplicity of agencies on the metropolitan edges. In the city of Medellín, Colombia, different groups formed mainly by young people from the edges have been taking on graffiti and hip hop as a resource to understand, narrate and distance themselves from the violence that crosses them. A significant sample of this type of collective experience is the Graffitour proposal, an "aesthetic, political and historical" route organized by the Centro Cultural Casa Kolacho in the Commune 13. Based on the assumption that the Graffitour transcends the simple representation of the medellinense periphery and constitutes a form of cultural and political organization to speak about the violence that appears in the city, this work reports the experience of having carried out this journey through Commune 13. In this sense, it aims to reflect on how discourses are produced on metropolitan edges in contemporary times and on the role of urban artistic manifestations in the interpretation of violence and in the construction of social memory.


Author(s):  
Carlos Garrido López

La revocación del mandato ha sido, hasta hace unas décadas, un mecanismo de democracia directa poco extendido y apenas usado fuera de EE.UU. La crisis de la representación y del sistema de partidos que padecieron varios países latinoamericanos condujo, sin embargo, a reparar en la revocación del mandato como una vía adicional de participación y control de los ciudadanos que podría estimular la receptividad y la responsabilidad de las autoridades electas. Y de ser una institución apenas conocida, la revocación se ha extendido a varios de los países latinoamericanos más importantes, al punto de convertirse en una de las señas distintivas de la región. En este trabajo se realiza un estudio comparado de la revocación del mandato en Argentina, Colombia y Perú, donde se ha limitado a las autoridades regionales y locales. Se analizan, asimismo, la revocación de los diputados y autoridades locales por decisión de los partidos y a iniciativa y votación popular en Panamá; la revocación en Ecuador, Venezuela y Bolivia, donde la institución se ha extendido a todos los cargos electos, incluido el presidente de la República; y la revocación del presidente y de los gobernadores de los entes federados en México tras la reforma constitucional impulsada en 2019 por López Obrador. El trabajo concluye con un balance de los diseños institucionales de la revocación del mandato, en el que se subraya la tensión existente entre el proyecto normativo y sus condiciones de realización.The recall was, until recent decades, a tool of direct democracy that was hardly known or used outside the United States. However, the crisis of representation and of the party system that several Latin American countries suffered led to recover the recall as an additional form of citizen participation and control that could boost receptivity and responsibility of elected authorities. In only three decades, the recall has moved from being barely known to spreading to the most important Latin American countries and becoming one of the distinctive features of the region. In this work we present a comparative study of the recall in Argentina, Colombia and the Republic of Peru, where it was limited to regional and local authorities. We also analyse the recall of local legislators and authorities by decision of the political parties and popular vote in Panama; the recall in Ecuador, Venezuela and Bolivia, where this institution has spread to all elected offices, including the president of the republic; and the recall of the president and governors of the federal entities of Mexico after the constitutional reform promoted by López Obrador. This work ends by assessing the institutional designs of the recall, where we emphasize the tension between draft legislation and its conditions for implementation.


2021 ◽  
Author(s):  
Santiago M. Perez-Vincent ◽  
Enrique Carreras

This article examines changes in the frequency and characteristics of domestic violence reports after the start of the pandemic and the imposition of mobility restrictions in six Latin American countries. The study uses three types of data sources: calls to domestic violence hotlines (for the City of Buenos Aires in Argentina, Colombia, and Peru); calls to emergency lines (for Ecuador, Lima in Peru, and Costa Rica); and police/legal complaints (for Colombia, Ecuador, and Uruguay). Data through June 2020 shows that the pandemic's impact on domestic violence reports varied significantly across countries, periods, types of violence, and reporting channels. Calls to domestic violence hotlines soared, but calls to emergency lines and police complaints fell (especially in the first weeks of the pandemic). Significantly distinct patterns are observed between reports of psychological and physical violence, and non-cohabitant and cohabitant violence. These patterns are consistent with the pandemic changing the relative incidence of different types of violence and altering the perceived costs of reporting them through alternative channels. Increases in calls to domestic violence hotlines suggest that this channel was best suited to respond to victims' needs during the pandemic. In turn, the drop in legal complaints and calls to comprehensive emergency lines are consistent with an increase in the perceived (relative) cost of using these channels. The findings reveal how the pandemic altered domestic violence victims' demand for institutional help and highlight the relevance of domestic violence hotlines as an accessible and valuable service.


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