Parameter | Initial value | Lower | Upper | Interpretation | Reference |
---|---|---|---|---|---|

V: vaccination coverage
| 0.95 | 0.85 | 1 | vaccination coverage rate for individuals aged less than or equal to 18 years | [32-34] |

Ω: immunity clustering
| 0.5 | 0 | 1 | level of immunity clustering for individuals aged less than or equal to 18 years in a household | |

Household contact probability | 0.46 | 0.01 | 1 | contact probability per day between any two household members | |

Neighborhood contact rate | 3 person/day | 0.5 | 7 | contact rate per day in neighbourhood | assume |

Workplace contact rate | 3 person/day | 0 | 7 | contact rate per day in workplace | synthetic population |

School contact rate | 9 person/day | 3 | 20 | contact rate per day in school | www.cde.ca.gov/ds/sd/dr/cefteachavgclssize.asp |

Daycare contact rate | 9 person/day | 3 | 20 | contact rate per day in daycare | www.daycare.com/california |

Household transmission probability | 0.99 | 0.99 | 0.99 | transmission probability per contact in household | [30] |

Neighborhood transmission probability | 0.99 | 0.99 | 0.99 | transmission probability per contact in neighborhood | [30] |

Workplace transmission probability | 0.99 | 0.99 | 0.99 | transmission probability per contact in workplace | [30] |

School transmission probability | 0.99 | 0.99 | 0.99 | transmission probability per contact in school | [30] |

Daycare transmission probability | 0.99 | 0.99 | 0.99 | transmission probability per contact in daycare | [30] |

Vaccine efficacy | 0.99 | 0.99 | 0.99 | efficacy of two doses of vaccine for measles, mumps and rubella | [35,36] |

Trace probability | 1 | 1 | 1 | probability that an individual is traceable | assume |

Intervention delay | 1 day | 1 | 3 | intervention delay for contacts of an index case | (J. Zipprich, pers. commun.) |

Contact tracing delay | 1 day | 1 | 3 | delay for tracing a contact from an infectious case | assume |

Self report delay | 2 day | 1 | 6 | delay between the first day of symptom of a case and the day the case visits hospital | assume |

Cooperation probability | 1 | 1 | 1 | probability that an individual is cooperative to accept public health interventions | assume |

Contact finding probability | 1 | 0.7 | 1 | probability that a contact of an infectious case can be traced | assume |

Post-exposure prophylactic vaccine efficacy | 0.93 | 0.92 | 0.95 | efficacy of post-exposure prophylactic vaccine for measles, mumps and rubella | [35,36] |

Post-exposure prophylactic immune globulin efficacy | 0.75 | 0.6 | 0.9 | efficacy of post-exposure prophylactic immune globulin | [60-62] |

Home quarantine probability | 0.97 | 0.9 | 1 | probability that an individual who is recommended to stay home until recovery will follow the recommendation | assume |

Home stay probability | 0.61 | 0 | 1 | probability that a case decides (on each day of the symptomatic period of the case) to stay home until recovery | assume |