Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China

Objective To use a mathematical model to simulate an influenza outbreak in a school in order to assess the effectiveness of isolation (Iso), antiviral therapeutics, antiviral prophylactics (P), vaccination prior to the outbreak, and school closure (for 1 [S1w], 2 or 3 weeks). Methods This study deve...

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Main Authors: Tianmu Chen, Bin Zhao, Ruchun Liu, Xixing Zhang, Zhi Xie, Shuilian Chen
Format: Article
Language:English
Published: SAGE Publishing 2020-01-01
Series:Journal of International Medical Research
Online Access:https://doi.org/10.1177/0300060518764268
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author Tianmu Chen
Bin Zhao
Ruchun Liu
Xixing Zhang
Zhi Xie
Shuilian Chen
author_facet Tianmu Chen
Bin Zhao
Ruchun Liu
Xixing Zhang
Zhi Xie
Shuilian Chen
author_sort Tianmu Chen
collection DOAJ
description Objective To use a mathematical model to simulate an influenza outbreak in a school in order to assess the effectiveness of isolation (Iso), antiviral therapeutics, antiviral prophylactics (P), vaccination prior to the outbreak, and school closure (for 1 [S1w], 2 or 3 weeks). Methods This study developed a susceptible–exposed–infectious/asymptomatic–recovered model to estimate the effectiveness of commonly used interventions for seasonal influenza outbreaks in school. Results The most effective single-intervention strategy was isolation with a total attack rate of 1.99% and an outbreak duration of 30 days. The additional effectiveness of antiviral therapeutics and prophylactics and vaccination (prior to the outbreak) strategies were not obvious. Although Iso+P, P+Iso+S1w, four-, and five-combined intervention strategies had commendable effectiveness, total attack rate decreased only slightly, and outbreak duration was shortened by 9 days maximum, compared with the single-intervention isolation strategy. School closure for 1, 2 or 3 weeks was futile or even counterproductive. Conclusion Isolation, as a single intervention, was the most effective in terms of reducing the total attack rate and the duration of the outbreak.
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spelling doaj.art-225b6f5b6dce4c3a8e4a5b31bd666d982022-12-21T18:27:08ZengSAGE PublishingJournal of International Medical Research1473-23002020-01-014810.1177/0300060518764268Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, ChinaTianmu ChenBin ZhaoRuchun LiuXixing ZhangZhi XieShuilian ChenObjective To use a mathematical model to simulate an influenza outbreak in a school in order to assess the effectiveness of isolation (Iso), antiviral therapeutics, antiviral prophylactics (P), vaccination prior to the outbreak, and school closure (for 1 [S1w], 2 or 3 weeks). Methods This study developed a susceptible–exposed–infectious/asymptomatic–recovered model to estimate the effectiveness of commonly used interventions for seasonal influenza outbreaks in school. Results The most effective single-intervention strategy was isolation with a total attack rate of 1.99% and an outbreak duration of 30 days. The additional effectiveness of antiviral therapeutics and prophylactics and vaccination (prior to the outbreak) strategies were not obvious. Although Iso+P, P+Iso+S1w, four-, and five-combined intervention strategies had commendable effectiveness, total attack rate decreased only slightly, and outbreak duration was shortened by 9 days maximum, compared with the single-intervention isolation strategy. School closure for 1, 2 or 3 weeks was futile or even counterproductive. Conclusion Isolation, as a single intervention, was the most effective in terms of reducing the total attack rate and the duration of the outbreak.https://doi.org/10.1177/0300060518764268
spellingShingle Tianmu Chen
Bin Zhao
Ruchun Liu
Xixing Zhang
Zhi Xie
Shuilian Chen
Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
Journal of International Medical Research
title Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
title_full Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
title_fullStr Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
title_full_unstemmed Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
title_short Simulation of key interventions for seasonal influenza outbreak control at school in Changsha, China
title_sort simulation of key interventions for seasonal influenza outbreak control at school in changsha china
url https://doi.org/10.1177/0300060518764268
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