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Epidemiological characteristics of 1212 COVID-19 patients in Henan, China

By Pei Wang, Jun-an Lu, Yanyu Jin, Mengfan Zhu, Lingling Wang, Shunjie Chen

Posted 23 Feb 2020
medRxiv DOI: 10.1101/2020.02.21.20026112

Based on publicly released data for 1212 patients, we investigated the epidemiological characteristics of COVID-19 in Henan of China. The following findings are obtained: 1) COVID-19 patients in Henan show gender (55% vs 45%) and age (81% aged between 21 and 60) preferences, possible causes were explored; 2) Statistical analysis on 483 patients reveals that the estimated average, mode and median incubation periods are 7.4, 4 and 7 days; Incubation periods of 92% patients were no more than 14 days; 3) The epidemic of COVID-19 in Henan has undergone three stages and showed high correlations with the numbers of patients that recently return from Wuhan; 4) Network analysis on the aggregate outbreak phenomena of COVID-19 revealed that 208 cases were clustering infected, and various peoples Hospital are the main force in treating patients. The related investigations have potential implications for the prevention and control of COVID-19.

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