The manuscript "Para uma história da vacina no Brasil" [For a history of vaccination in Brazil] was unearthed in the archives of Instituto Histórico Geográfico Brasileiro (IHGB) along with other texts by Joaquim Manoel de Macedo. It was written in partnership with Joaquim Norberto in 1859 in response to a request by the Emperor to the institute. Its characteristics mark it out as a founding text: its arguments are designed to establish who really introduced the smallpox vaccine to Brazil and to resolve the controversy between the Marquis of Barbacena and a surgeon, Francisco Mendes Ribeiro de Vasconcellos. It analyzes the documents that provide the basis for both versions and consolidates the beginning of the history of vaccination in Brazilian territory in 1878, which was subsequently recognized by IHGB.

Considero importante salientar, por último, sua ousadia maior: a forma inovadora de escrita a partir de narrativas entrecruzadas, nas quais confirma a recusa a dar uma resposta acabada a suas indagações e desvenda facetas inesperadas que introduzem ruído em toda e qualquer explicação conclusiva a que se queira chegar. Importante também lembrar, e aqui se expõe a presença da ex-orientadora, que esse começo de trajetória de pesquisa, iniciada em 1982, na Linha de Pesquisa 'Cultura e Cidade' da Pós-Graduação em História da UNICAMP, abriu novas perspectivas para os estudos sobre questões urbanas, mas prosseguiu e se faz presente em diversos momentos deste livro que sofreu uma revisão importante, a de atualizar seu diálogo com os trabalhos recém-publicados e com sua própria tese de doutorado, defendida na Universidade Paris VII, sob a orientação da historiadora Michelle Perrot, em fevereiro de 1997.

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In the afternoon of November 5, 2015, the Fundão Dam, located in the city of Mariana, in Minas Gerais, Brazil, collapsed and released a massive wave of toxic mud over the District of Bento Rodrigues. The mud had spread itself all over the River Doce Basin and reached the Atlantic Ocean two weeks later. The magnitude of the social, economic and environmental impacts of this tragedy are still under evaluation by the authorities. The present paper aims to question the viability of preserving the current conditions of the mineral related global market, taking the tragedy in Mariana as illustration of its harmful continuity. It will describe this terrible disaster and present some remarks about its implications to the protection of human rights.