SEIRVMonoModel: SEIR+V+Mono Model

View source: R/SEIRVMonoModel.R

SEIRVMonoModelR Documentation

SEIR+V+Mono Model

Description

A model for influenza that uses a SEIR framework with age structure and that allows for vaccination and subsequent monovalent vaccination

Usage

SEIRVMonoModel(population, populationFractions, contactMatrix, R0, latentPeriod,
  infectiousPeriod, seedInfections, priorImmunity, useCommunityMitigation,
  communityMitigationStartDay, communityMitigationDuration,
  communityMitigationMultiplier, vaccineAdministrationRatePerDay,
  vaccineAvailabilityDose1ByDay, vaccineAvailabilityDoseMByDay,
  vaccineUptakeMultiplier, timeOfExclusiveMonovalent, VEs1, VEsM, VEi1, VEiM,
  VEp1, VEpM, vaccineEfficacyDelay, simulationLength, seedStartDay, tolerance,
  method)

Arguments

population

Size of population; defaults to 1

populationFractions

Vector of population fractions (all non-negative, sum to 1); defaults to 1, representing a single population group

contactMatrix

A matrix whose (row i, column j) entry denotes the number of potentially infectious contacts a single individual from group j has with individuals from group i each day; defaults to proportional mixing

R0

Average number of secondary cases from a single infected individual in a completely susceptible population; must be specified

latentPeriod

Latent period in days; must be specified

infectiousPeriod

Infectious period in days; must be specified

seedInfections

Fraction of the population to seed with infections; single fraction, or vector of fractions by population group; defaults to 0

priorImmunity

Fraction of the population with prior immunity; single fraction, or vector of fractions by population group; defaults to 0

useCommunityMitigation

Whether or not to use community mitigation implemented by modulation of the contact matrix; defaults to FALSE

communityMitigationStartDay

If using community mitigation, day of the simulation on which to start mitigation; must be specified if applicable

communityMitigationDuration

If using community mitigation, duration of time during which mitigation is in effect; must be specified if applicable

communityMitigationMultiplier

If using community mitigation, the non-negative matrix of multipliers that will be used to modulate the contact matrix by elementwise multiplication; must be specified if applicable

vaccineAdministrationRatePerDay

Vaccine administration rate each day; defaults to 0

vaccineAvailabilityDose1ByDay

Vector that contains the amount of first dose of vaccine available each day; defaults to 0

vaccineAvailabilityDoseMByDay

Vector that contains the amount of monovalent vaccine available each day; defaults to 0

vaccineUptakeMultiplier

Vector of multipliers that determines the relative rate at which vaccine is given to each age group; defaults to vaccine being allotted proportionally by population

timeOfExclusiveMonovalent

Time when a monovalent vaccine is exclusively administered. Defaults to never.

VEs1

Vaccine efficacy: protection for vaccinated susceptible individuals after initial dose; single fraction or vector of fractions by population group; defaults to 0

VEsM

Vaccine efficacy: protection for vaccinated susceptible individuals after monovalent dose; single fraction or vector of fractions by population group; defaults to 0

VEi1

Vaccine efficacy: prevention of transmission from vaccinated infected individuals after initial dose; single fraction or vector of fractions by population group; defaults to 0

VEiM

Vaccine efficacy: prevention of transmission from vaccinated infected individuals after monovalent dose; single fraction or vector of fractions by population group; defaults to 0

VEp1

Vaccine efficacy: prevention of symptomatic illness in infected indivduals after initial dose; single fraction or vector of fractions by population group; defaults to 0

VEpM

Vaccine efficacy: prevention of symptomatic illness in infected indivduals after monovalent dose; single fraction or vector of fractions by population group; defaults to 0

vaccineEfficacyDelay

Delay in days between administration of dose and onset of protection; defaults to 7

simulationLength

Number of days to simulate after seeding infections; defaults to 240

seedStartDay

Day on which to seed initial infections; defaults to 0

tolerance

Absolute tolerance for numerical integration; defaults to 1e-8

method

Which integration method to use. Defaults to lsoda

Value

a SEIRVMonoModel object


HHS/ASPR-flumodels documentation built on Dec. 6, 2022, 12:20 p.m.