Author: Malahat Khalili; Mohammad Karamouzian; Naser Nasiri; Sara Javadi; Ali Mirzazadeh; Hamid Sharifi
Title: Epidemiological Characteristics of COVID-19: A Systemic Review and Meta-Analysis Document date: 2020_4_6
ID: e3t1f0rt_18
Snippet: We conducted a systematic review and meta-analysis to provide an overview of the 227 epidemiological characteristics of COVID-19. Our findings suggested that the COVID-19 has an 228 incubation time of more than five days (5.84 days) and a lag of less than five days (4.82 days) 229 from onset of symptoms to first clinical visit. On average, the symptoms lasted more than 230 twenty days (17.76 days) before recovery was achieved and the mortality ri.....
Document: We conducted a systematic review and meta-analysis to provide an overview of the 227 epidemiological characteristics of COVID-19. Our findings suggested that the COVID-19 has an 228 incubation time of more than five days (5.84 days) and a lag of less than five days (4.82 days) 229 from onset of symptoms to first clinical visit. On average, the symptoms lasted more than 230 twenty days (17.76 days) before recovery was achieved and the mortality risk among 231 confirmed cases was 2%, which significantly increased by age. Similar to previous studies (21), 232 fever, dry cough, shortness of breath, and fatigue were common symptoms among the 233 patients in the included studies. As expected, history of direct or indirect exposure to Wuhan 234 was frequent and the most common radiologic findings were bilateral consolidation and 235 pneumonia (22, 23). 236
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