Epidemiological features and prevention measures of COVID-19 in high incidence areas of Henan Province

ABSTRACT

Objective: To describe the epidemiological features and prevention measures of COVID-19 in Xinyang City, Zhengzhou City, Nanyang City, Zhumadian City of Henan Province. Methods: The data of COVID-19 confirmed cases were collected from the official websites of Henan province and the four cities. Statistical description and analysis were conducted. Results: By 2400 on February 24, 2020, the cumulative incidence rates of COVID-19 in Henan province, Xinyang City, Zhengzhou City, Nanyang City, and Zhumadian City were 1.32, 4.23, 1.55, 1.55, and 1.97 per 100 000 population, respectively. The proportion of men to women in the confirmed cases in the four cities was 1.381, 1.141, 0.741, and 1.531, respectively. The confirmed cases were mainly in 15~64 years old groups. The proportion of local cases increased along with time, and the proportion of imported cases in Zhumadian City was 70.5%, ranking the first among the four cities. The average incubation period in Xinyang City and Nanyang City was 9.5 days and 10.0 days respectively. The average time interval between the onset and going to a doctor was 4.7 days in Xinyang City. In Xinyang City (87.6%), Zhumadian City (78.3%), the first visit hospital of confirmed cases was mainly in level 2, while in Zhengzhou City (88.9%) and Nanyang City (98.7%), level 2 and level 3 were the main levels. The average time interval between going to a doctor and diagnosis in Zhengzhou City, Zhumadian City, and Xinyang City was 3.6 days, 3.4 days, and 3.3 days respectively. The time interval between the onset and diagnosis in Xinyang City (8.0 days) was longer than that in Nanyang City (5.5 days). Henan province and the four cities adopted comprehensive prevention and control measures focusing on community (including urban communities and villages). Conclusion: The epidemiological features of COVID-19 cases in Xinyang City, Zhengzhou City, Nanyang City, Zhumadian City of Henan province, including the basic situation, gender and age distribution and patient behavior, and the main preventive measures adopted were reviewed and analyzed in this paper, and it provides references for prevention and control of COVID-19. © 2020, Editorial Board of Medical Journal of Wuhan University. All right reserved.