FREITAS, Ronaldo B., Talita A.F. MONTEIRO, and Alexandre C. LINHARES. 2000. “ Outbreaks of Human-Herpes Virus 6 (HHV-6) Infection in Day-Care Centers in Belém, Pará, Brazil ”. Revista Do Instituto De Medicina Tropical De São Paulo 42 (6): 305-11. https://revistas.usp.br/rimtsp/article/view/30464.