Author: Nelson Aguirre-Duarte
Title: There are asymptomatic and pre-symptomatic patients infected with COVID-19. So what? Pandemic response implications Document date: 2020_4_11
ID: nadzy6lm_3
Snippet: The Chinese government first reported the infection as pneumonia of unknown origin in late December 2019; then in late January 2020, the WHO declared the outbreak a Public Emergency of International Concern, and on 11 March was elevated the alert level to pandemic (WHO, 2020a (WHO, , 2020b . The epicentre of the disease was Wuhan City in Hubei Province in central China. Three characteristics were identified in the infection: an 83% attack rate de.....
Document: The Chinese government first reported the infection as pneumonia of unknown origin in late December 2019; then in late January 2020, the WHO declared the outbreak a Public Emergency of International Concern, and on 11 March was elevated the alert level to pandemic (WHO, 2020a (WHO, , 2020b . The epicentre of the disease was Wuhan City in Hubei Province in central China. Three characteristics were identified in the infection: an 83% attack rate declared as highly alarming, a wide spectrum of clinical manifestations in the patients (ranging from minor symptoms to pneumonia and death) along with evidence of the virus in a minority without any evidence of symptoms. The infection quickly spread in China and then cases began to be exported internationally (Mizumoto, Kagaya, & Chowell, 2020; Wu et al., 2020) .
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