Author: Adam Burns; Alexander Gutfraind
Title: Symptom-Based Isolation Policies: Evidence from a Mathematical Model of Outbreaks of Influenza and COVID-19 Document date: 2020_3_30
ID: d13j2pt5_25
Snippet: We considered a range of policies to enhance or complement symptom-based isolation (reported fully in Appendix B). The effectiveness of the two-day policy is maintained even in the presence of 80% vaccine coverage and 50% efficacy. Increasing compliance with the policy from 60% to 75% compliance had a small effect (1-2% decrease in the attack rate) and is not effective without an explicit isolation policy. Measures to increase the attention to sy.....
Document: We considered a range of policies to enhance or complement symptom-based isolation (reported fully in Appendix B). The effectiveness of the two-day policy is maintained even in the presence of 80% vaccine coverage and 50% efficacy. Increasing compliance with the policy from 60% to 75% compliance had a small effect (1-2% decrease in the attack rate) and is not effective without an explicit isolation policy. Measures to increase the attention to symptoms from 67% to 84% attention reduced the attack rate to a median 5% at 0 (this and the following reflect the baseline with no isolation days). Completely cutting off transmission during weekends reduced the attack rate by 16%. Dividing the population into groups of half the normal size reduced the attack rate by 16%. The two-day isolation policy was also found to be effective for large schools.
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