Zhang, Zhongyang, Zengsheng Chen, Xiaofan Li, Ping Hu, Sicheng Hao, Sitong Liu, and Feng Yang. “Hospital-Based Seroepidemiological Analysis of Varicella Antibodies in Children Without History of Varicella Disease”. The Journal of Infection in Developing Countries 19, no. 03 (March 31, 2025): 452–457. Accessed March 28, 2026. https://www.jidc.org/index.php/journal/article/view/40168390.