Author: Joel Hellewell; Sam Abbott; Amy Gimma; Nikos I Bosse; Christopher I Jarvis; Timothy W Russell; James D Munday; Adam J Kucharski; W John Edmunds; CMMID nCoV working group; Sebastian Funk; Rosalind M Eggo
Title: Feasibility of controlling 2019-nCoV outbreaks by isolation of cases and contacts Document date: 2020_2_11
ID: a8ig607t_17
Snippet: In addition, each case had an independent probability of being subclinical (asymptomatic), and were therefore not detected either by self report or if traced by contact tracing. New secondary cases caused by an asymptomatic case were missed by contact tracing and could only be isolated based on symptoms. The model includes isolation of symptomatic individuals only, i.e. no quarantine, so isolation cannot prevent transmission before symptom onset......
Document: In addition, each case had an independent probability of being subclinical (asymptomatic), and were therefore not detected either by self report or if traced by contact tracing. New secondary cases caused by an asymptomatic case were missed by contact tracing and could only be isolated based on symptoms. The model includes isolation of symptomatic individuals only, i.e. no quarantine, so isolation cannot prevent transmission before symptom onset. Quarantining contacts of cases requires a considerable investment in public health resources, and has not been widely implemented for all contacts of cases 3,21 .
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