Declining antibody levels to Trypanosoma cruzi correlate with polymerase chain reaction positivity and electrocardiographic changes in a retrospective cohort of untreated Brazilian... by Lewis F Buss, Léa Campos de Oliveira-da Silva, Carlos H V Moreira, Erika R Manuli, Flavia C Sales, Ingra Morales, Clara Di Germanio, Cesar de Almeida-Neto, Sonia Bakkour, Paul Constable, Marcelo M Pinto-Filho, Antonio L Ribeiro, Michael Busch, Ester C Sabino

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Short report: Introduction of chikungunya virus ECSA genotype into the Brazilian Midwest and its dispersion through the Americas. by Elaine Cristina de Oliveira, Vagner Fonseca, Joilson Xavier, Talita Adelino, Ingra Morales Claro, Allison Fabri, Eduardo Marques Macario, Ana Elisa Viniski, Claudio Luis Campos Souza, Evanil Sebastiana Gomes da Costa, Claudia Soares de Sousa, Flávia Guimarães Dias Duarte, Arnaldo Correia de Medeiros, Carlos F Campelo de Albuquerque, Rivaldo Venancio Cunha, Noely Fabiana Oliveira De Moura, Ana Maria Bispo de Filippis, Tulio de Oliveira, José Lourenço, André Luiz de Abreu, Luiz Carlos Junior Alcantara, Marta Giovanetti

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