1. Advanced Public Health Laboratory, Gonçalo Moniz Research Center, Oswaldo Cruz Foundation, Salvador, Bahia 40295-001, Brazil & Bahia School of Medicine and Public Health/Foundation for Development of Science, Salvador, Bahia, 40050-420, Brazil
2. Advanced Public Health Laboratory, Gonçalo Moniz Research Center, Oswaldo Cruz Foundation, Salvador, Bahia 40295-001, Brazil, Bahia School of Medicine and Public Health/Foundation for Development of Science, Salvador, Bahia, 40050-420, Brazil& Department of Microbiology, University of Washington, Seattle, Washington 98195
3. Rega Institute for Medical Research, Katholieke Universiteit Leuven, B-5000, Leuven, Belgium
4. Blood Center of Ribeirão Preto, São Paulo, 14051-140 Brazil