Abstract
BackgroundIn December 2019, a pneumonia caused by SARS-CoV-2 emerged in Wuhan, China and has rapidly spread around the world since then. This study is to explore the patient characteristics and transmission chains of COVID-19 in the population of Gansu province, and support decision-making.MethodsWe collected data from Gansu Province National Health Information Platform. A cross-sectional study was conducted, including patients with COVID-19 confirmed between January 23 and February 6, 2020, and analyzed the gender and age of the patients. We also described the incubation period, consultation time and sources of infection in the cases, and calculated the secondary cases that occurred within Gansu for each imported case.ResultsWe found thirty-six (53.7%) of the patients were women and thirty-one (46.3%) men, and the median ages were 40 (IQR 31–53) years. Twenty-eight (41.8%) of the 67 cases had a history of direct exposure in Wuhan. Twenty-five (52.2%) cases came from ten families, and we found no clear reports of modes of transmission other than family clusters. The largest number of secondary cases linked to a single source was nine.ConclusionMore women than men were diagnosed with COVID-19 in Gansu Province. Although the age range of confirmed cases of COVID-19 in Gansu Province covered almost all age groups, most patients with confirmed COVID-19 tend to be middle aged persons. The most common suspected mode of transmission was through family cluster. Gansu and other settings worldwide should continue to strengthen the utilization of big data in epidemic control.
Highlights
In December 2019, a pneumonia caused by SARS-CoV-2 emerged in Wuhan, China and has rapidly spread around the world since
Of the 67 cases of COVID-19 confirmed between January 23 and February 6, 2020, forty-one (61.2%) had spent time outside Gansu province, and 28 cases (41.8%) in Wuhan
We found more women than men were diagnosed with COVID-19, and most patients with confirmed COVID-19 tend to be middle aged persons, covering the duration of the estimated maximum incubation period of SARS-CoV-2 starting from 23 January 2020 when the first travel restrictions took place
Summary
In December 2019, a pneumonia caused by SARS-CoV-2 emerged in Wuhan, China and has rapidly spread around the world since . This study is to explore the patient characteristics and transmission chains of COVID-19 in the population of Gansu province, and support decision-making. The first cases of corona virus disease 2019 (COVID-19) appeared in Wuhan, Hubei Province, China, in December 2019, and has since spread quickly within Wuhan, Hubei, China, and the rest of the world [1, 2]. The World Health Organization (WHO) officially named the virus that caused the pneumonia epidemic in Wuhan first as “2019 New Coronavirus” (2019-nCoV) on January 12, 2020 [3] and later as “SARS Coronavirus 2” (SARS-CoV-2). The disease was officially named as COVID-19 on February 11, 2020 [4]. The National Health and Health Commission has reported 80,270 cumulative confirmed cases and 2981 deaths in China until 24:00 on March 3, 2020 [6], including 91 confirmed cases and two deaths in Gansu Province [7]
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