Author: Luis Santamaria; Joaquin Hortal
Title: Chasing the ghost of infection past: identifying thresholds of change during the COVID-19 infection in Spain Document date: 2020_4_14
ID: 8niqpwvc_1
Snippet: COVID-19 infection has rapidly spread worldwide since its first outbreak in Wuhan (China) in mid December 2019. The global number of confirmed cases has gone over one million on 3rd April 2020 (John Hopkins University Coronavirus Resource Center, see Dong et al. 2020) , barely 3 months after its first report on 31st December. Individuals infected with COVID-19 remain asymptomatic for 5-6 days, while presenting enough viral load to be infective af.....
Document: COVID-19 infection has rapidly spread worldwide since its first outbreak in Wuhan (China) in mid December 2019. The global number of confirmed cases has gone over one million on 3rd April 2020 (John Hopkins University Coronavirus Resource Center, see Dong et al. 2020) , barely 3 months after its first report on 31st December. Individuals infected with COVID-19 remain asymptomatic for 5-6 days, while presenting enough viral load to be infective after 1-2 days of infection (Linton et al. 2020 , Lai et al. 2020 . Severe cases require hospitalisation 3-15 days after the appearance of the first symptoms, which are similar to other infectious respiratory illnesses. This, together with the initial unawareness of the population, led to a high transmission rate of the infection, which spread rapidly to neighbouring countries, the Middle East and Europe, and then the rest of the world (see https://nextstrain.org/ncov).
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