From: Quantifying the shift in social contact patterns in response to non-pharmaceutical interventions

Definition | Mean (Std) | Source | |
---|---|---|---|

Parameter | |||

\(p_{1}^{H}\) | Relative increase of the weight of the contact matrix for household settings from phase 0 to phase 1 | 0.1320 (0.0866) | Estimated |

\(p_{1}^{C}\) | Relative increase of the weight of the contact matrix for community settings from phase 0 to phase 1 | 0.0685 (0.0642) | Estimated |

\(p_{2}^{H}\) | Relative increase of the weight of the contact matrix for households from phase 1 to phase 2 | 0.2832 (0.1807) | Estimated |

\(p_{2}^{C}\) | Relative decrease of the weight of the contact matrix for community settings from phase 1 to phase 2 | 0.3283 (0.1575) | Estimated |

\(p_{3}^{H}\) | Final relative increase of the weight of the contact matrix for household settings in phase 3 | 0.0436 (0.0593) | Estimated |

\(p_{3}^{W}\) | Final relative decrease of the weight of the contact matrix for workplace settings in phase 3 | 0.5921 (0.0820) | Estimated |

\(p_{3}^{C}\) | Final relative decrease of the weight of the contact matrix for community settings in phase 3 | 0.7888 (0.1697) | Estimated |

\(r_{H}\) | Exponential increase in household contact rate | 0.0379 (0.0532) | Estimated |

\(r_{W}\) | Exponential decrease in workplace contact rate | 0.4711 (0.0853) | Estimated |

\(r_{C}\) | Exponential decrease in community contact rate | 0.1019 (0.0461) | Estimated |

\(\beta_{i}\) | Probability of transmission per contact, age-dependent | Table 4 | Estimated |

\(q_{0}\) | Fraction of quarantined exposed individuals phase 0–2 | 0.1187 (0.0645) | Estimated |

\(q_{b}\) | Maximum fraction of quarantined individuals exposed | 0.7272 (0.0583) | Estimated |

\(r_{q}\) | Exponential increase in quarantine fraction | 0.0282 (0.0022) | Estimated |

σ
| Transition rate of exposed individuals to the infected class | 1/5 | [18] |

λ
| Rate at which the quarantined uninfected contacts were released into the wider community | 1/14 | [5] |

ϱ
| Probability of having symptoms among infected individuals | 0.7036 | [2] |

\(\delta _{Ii}\) | Transition rate of symptomatic infected individuals to the quarantined infected class | Table 4 | Estimated |

\(\delta _{q}\) | Transition rate of quarantined exposed individuals to the quarantined infected class | 0.3409 (0.1137) | Estimated |

\(\gamma _{I}\) | Removal rate of symptomatic infected individuals | 0.1957 | [2] |

\(\gamma _{A}\) | Removal rate of asymptomatic infected individuals | 0.139 | [5] |

\(\gamma _{D}\) | Removal rate of quarantined diagnosed individuals | 0.2 | [19] |

α
| Disease-induced death rate | 0.008 | [19] |

θ
| Modification factor of asymptomatic infectiousness | 0.0275 | [2] |

Initial values | |||

\(S_{i} (0)\) | Initial susceptible population | Table 4 | Data [20] |

\(E_{i} (0)\) | Initial exposed population | Table 4 | Estimated |

\(I_{i} (0)\) | Initial symptomatic infected population | Table 4 | Estimated |

\(A_{i} (0)\) | Initial asymptomatic infected population | Table 4 | Estimated |

\(S_{q_{i}}(0)\) | Initial quarantined susceptible population | 0 | Assumed |

\(E_{q_{i}}(0)\) | Initial quarantined exposed population | 0 | Assumed |

\(D_{i} (0)\) | Initial diagnosed population | Table 4 | Incidence data |

\(R_{i} (0)\) | Initial recovered population | 0 | Assumed |