1. Department of Microbiology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
2. Fiocruz, Instituto Oswaldo Cruz, Laboratório de vírus Respiratórios e Sarampo, Rio de Janeiro, RJ, Brazil
3. Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
4. Department of General Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil