Molecular characterization of Leptospira sp. strains isolated from human subjects in São Paulo, Brazil using a polymerase chain reaction-based assay: a public health tool Eliete C Romero; Paulo H Yasuda PAGE: 373-378 | DOI: S0074-02762006000400005

First detection of a human astrovirus type 8 in a child with diarrhea in Belém, Brazil: comparison with other strains worldwide and identification of possible three lineages Yvone B Gabbay; Alexandre C Linhares; Darleise S Oliveira; Lilian S Nakamura; Joana D'Arc P Mascarenhas; Rosa Helena P Gusmão; Marcos B Heinemann; Olinda Macêdo; José Paulo G Leite PAGE: 531-534 | DOI: 10.1590/S0074-02762007005000032

Molecular characterization of astrovirus in stool samples from children in São Paulo, Brazil Hugo Reis Resque; Veridiana Munford; Juliana Galera Castilho; Herika Schmich; Thabata Alessandra Ramos Caruzo; Maria Lucia Rácz PAGE: 969-974 | DOI: 10.1590/S0074-02762007000800012

Antigenic and Genetic Characterization of Twenty-six Strains of Human Respiratory Syncytial Virus (Subgroup A) Isolated During Three Consecutive Outbreaks in Havana City, Cuba Angel Valdivia, Grehete González, Danay Chacón, Clara Savón, Anselmo Otero, Odalys Váldes, Reynel Cancio, Suset Oropesa, José A Melero, Blanca García-Barreno, Angel Goyenechea PAGE: 469-475

Comparative Analysis by Polymerase Chain Reaction Amplified Minicircles of Kinetoplast DNA of a Stable Strain of Trypanosoma cruzi from São Felipe, Bahia, its Clones and Subclones: Possibility of Predominance of a Principal Clone in th Rozalia F Campos, Marilda S Gonçalves, Eliana AG dos Reis, Mitermayer G dos Reis, Sonia G Andrade PAGE: 23-29

Genetic Diversity in Natural Populations of New World Leishmania Elisa Cupolillo, Hooman Momen, Gabriel Grimaldi Jr

Genetic Data Showing Evolutionary Links between Leishmania and Endotrypanum Elisa Cupolillo, Luiza OR Pereira, Octávio Fernandes, Marcos P Catanho, Júlio C Pereira, Enrique Medina-Acosta, Gabriel Grimaldi Jr PAGE: 677-683

Characterization of Endotrypanum Parasites Using Specific Monoclonal Antibodies Antonia Maria Ramos Franco , Gerzia MC Machado, Roberto D Naiff, Celia FS Moreira, Diane McMahon-Pratt, Gabriel Grimaldi Jr PAGE: 63-68