Risk factors for neurosyphilis in HIV patients: A retrospective cohort study Beatriz Arns; Tarsila Vieceli; Eduardo Gomes; Mariana Horn Scherer; Luisa Nakashima; Maria Luisa Santos; Ronara Blos Hepp; Fernanda Greinert; Maria Helena Rigatto;

Dried blood spot as alternative specimen for molecular epidemiology studies among HCV/HIV coinfected patients Geane Flores; Barbara Vieira Lago; Amanda R Caetano; Jessica Silva; Vanessa Marques; Carlos Eduardo Brandão-Mello; Marcia Amendola-Pires; Jose Pilotto; Lia Lewis-Ximenez; Livia Melo Villar;

Concomitant diagnosis of Trypanosoma cruzi and HIV in a patient with neurologic manifestations: A case report Emmanuel Molina Solano; Mauricio Mora Díaz; Stephanie Montoya Madriz; Mauricio Lizano Calvo; Lissette Retana Moreira;