Journal
SUSTAINABLE CITIES AND SOCIETY
Volume 64, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scs.2020.102559
Keywords
COVID-19; Characteristics; Time indicators; Propagation dynamics; Risk factors
Categories
Funding
- Wuxi Project of Health Commission [Z201718, Z202019, Q202018, Z202007]
- Wuxi Key Medical Disciplines [ZDXK009]
- Wuxi Project of Youth Talent [QNRC008]
- Wuxi Suitable Technical Project of Health and Family Planning [T201819]
- Wuxi Municipal Bureau on Science and Technology [N2020x001]
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By analyzing data from 69 COVID-19 infections in Wuxi, it was found that most cases had mild clinical symptoms, with aging and fever being identified as risk factors for disease severity. The incidence of COVID-19 in Wuxi has decreased, indicating the effectiveness of early prevention and control measures.
Background: The Coronavirus disease (COVID-19) has caused 91,305 confirmed cases and 4746 deaths in China by 13:50 on October 11, 2020. We analyzed data on 69 infections in Wuxi to describe the disease's characteristics, to analyze factors of cases clinical outcome and to evaluate the prevention and control measures. Methods: The demographic characteristics, exposure history, time indicators and propagation dynamics in Wuxi were collected. Results: The clinical severity of cases was mostly mild and normal (75.36 %). Aging (relative risk [RR] = 1.04, 95 % confidence interval [CI]: 1.001-1.08) and fever (RR = 10.33, 95 %CI: 2.75-38.78) were risk factors for disease severity. The mean incubation period was estimated to be 4.77 days (95 % CI: 3.61-5.94), with a mean serial interval of 6.31 days (95 % CI: 5.12-7.50). The controlled reproduction number was estimated to be 1.12 (95 % CI: 0.71-1.69). Conclusions: The incidence of COVID-19 in Wuxi has turned into a lower level, suggesting the early prevention and control measures have achieved effectiveness. Aging and fever of initial symptom were risk factors for severe clinical outcome. The family clusters provided further clues of the risk factors for COVID-19 transmission.
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