Lafer, M. M., Moraes-Pinto, M. I. de, & Weckx, L. Y. (2005). Prevalence of IgG varicella zoster virus antibodies in the Kuikuro and Kaiabi indigenous communities in Xingu National Park, Brazil, before varicella vaccination . Revista Do Instituto De Medicina Tropical De São Paulo, 47(3), 139-142. https://www.revistas.usp.br/rimtsp/article/view/30906