Marcelo J Mimica1, Maria Fernanda Bádue-Pereira2. 1. MD, PhD, Division of Microbiology (Department of Pathology) and Division of Infectious Diseases (Department of Pediatrics), Santa Casa School of Medicine, São Paulo, Brazil. 2. MD, MSc, Division of Infectious Diseases (Department of Pediatrics), Santa Casa School of Medicine, São Paulo, Brazil.