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?:abstract
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Objective To observe the visits of fever clinic during the epidemic of coronavirus disease 2019 (COVID-19) and the epidemic characteristics of COVID-19, so as to analyze the disease development trend Methods The clinical data of fever outpatients (including COVID-19 patients) in Gongli Hospital affiliated to Naval Medical University (Second Military Medical University) from Jan 15, 2020 to Feb 29, 2020 were collected for epidemiological descriptive analysis Results Among the 2 193 patients visiting our hospital between Jan 15, 2020 and Feb 29, 2020, 97 08% had respiratory system infection, followed by digestive system infection and urinary system infection Eighty-one suspected cases and 10 confirmed cases of COVID-19 were identified Among the suspected cases, there were 38 males (46 91%) and 43 females (53 09%) Among the confirmed cases, four were males and six were females The onset age of the suspected cases ranged from 20 to 69 years old (83 95%), and all the 10 confirmed patients were ≥50 years old The suspected patients were mainly employees (31 cases, 38 27%) and retirees (14 cases, 17 28%) Among the 10 confirmed patients, eight cases were retirees Of the suspected cases, 15 (18 52%) had lived in Hubei province and 52 (64 20%) had an epidemiological history Of the confirmed cases, seven had lived in Hubei province and all had an epidemiological histories The onset cycles of suspected and confirmed cases were mainly from Jan 21, 2020 to Feb 10, 2020 The main clinical symptoms of the suspected cases were fever (66 cases, 81 48%) and cough (50 cases, 61 73%) The blood routine showed normal white blood cell (65 cases, 80 25%), normal lymphocyte (49 cases, 60 49%) and decreased lymphocyte (24 cases, 29 63%) Chest CT showed COVID-19 characteristics in 13 cases (16 05%) Among the 10 confirmed patients, the main clinical manifestations were also fever (nine cases) and cough (eight cases) The blood routine showed normal white blood cells (10 cases), normal lymphocytes (six cases) and decreased lymphocytes (four cases) Chest CT showed COVID-19 characteristics in seven cases Conclusion COVID-19 is more common in middle-aged and elderly retirees, with significant epidemiological and family clustering characteristics
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