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Natural history parameters
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Days latent
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Discrete cdf for number of days between becoming exposed and becoming infectious
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Symptomatic rate
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The probability of an infected person becoming symptomatic
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Days asymptomatic
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Discrete cdf for number of days the agent is infectious but asymptomatic
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Days symptomatic
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Discrete cdf for number of days the agent is infectious and symptomatic
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Immunity loss rate
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Rate at which a person loses immunity after recovering from infection
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Mortality rate
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The probability of an infected person dying
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Contact parameters
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Probability of staying home
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The baseline probability that an agent stays home if the agent experiences a symptomatic infection.
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Household contact rates
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The expected number of potentially infective daily contacts between an infectious agent and a susceptible agent in a household. All contact rates are positive real numbers.
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Neighborhood contact rates
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The expected number of potentially infective daily contacts between an infectious agent and a susceptible agent in a neighborhood
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School contact rates
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The expected number of potentially infective daily contacts between an infectious agent and a susceptible agent in a school
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Workplace contact rates
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The expected number of potentially infective daily contacts between an infectious agent and a susceptible agent in a workplace.
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Transmission parameters
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Transmissibility
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The transmissibility of disease relative to an arbitrary baseline set by calibration
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Asymptomatic infectivity
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Multiplier for how infective an asymptomatic infected agent is, relative to an symptomatic agent
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Household transmission probability
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A table of probabilities that a potentially infective contact between an infectious agent and a symptomatic agent in the same household actually results in an infection, given the age of the potential infector/infectee pair
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Neighborhood transmission probability
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A table of probabilities that a potentially infective contact between an infectious agent and a symptomatic agent occurring in a neighborhood actually results in an infection, given the age of the potential infector/infectee pair
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School transmission probability
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A table of probabilities that a potentially infective contact between an infectious agent and a symptomatic agent occurring in a school actually results in an infection, given the age of the potential infector/infectee pair
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Workplace transmission probability
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A table of probabilities that a potentially infective contact between an infectious agent and a symptomatic agent occurring in a workplace actually results in an infection, given the age of the potential infector/infectee pair
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