Y. Zhang, G.-Q. Zang, Z.-H. Tang, and Y.-S. Yu, “Universal varicella vaccination needs to be high on the agenda in China”, Rev. Inst. Med. Trop. São Paulo, vol. 54, no. 4, pp. 237–238, Aug. 2012, Accessed: May 21, 2024. [Online]. Available: https://www.revistas.usp.br/rimtsp/article/view/48399