👤 Xu, S J Keywords 🔗 COVID-19 (1240) 🔗 Clustering (1) 🔗 epidemiology (220) Articles (1) [Epidemiological analysis on 1 052 cases of COVID-19 in epidemic clusters]. 👤 Gan, H 👤 Zhang, Y 👤 Yuan, M 👤 Wu, X Y 👤 Liu, Z R 👤 Liu, M 👤 Wu, J B 👤 Xu, S J 👤 Gong, L 👤 Xu, H L 👤 Tao, F B ⏰ 2020 📚 Zhonghua Liu Xing Bing Xue Za Zhi