ArtificialDiet

The ArtificialDiet intervention class is used to include feeding stations for vectors within a node in a simulation. This is a node-targeted intervention and takes effect at the broad village level rather than at the individual level. For individual-level effect, use ArtificialDietHousingModification instead. An artificial diet diverts the vector from feeding on the human population, resulting in a two-fold benefit:

  1. The uninfected mosquitoes avoid biting infected humans some of the time, therefore decreasing the amount of human-to-vector transmission.
  2. Infectious vectors are diverted to feed on the artificial diet instead of the humans, therefore decreasing the amount of vector-to-human transmission.

Note

Parameters are case-sensitive. For Boolean parameters, set to 1 for true or 0 for false. JSON does not permit comments, but you can add “dummy” parameters to add contextual information to your files.

The table below describes all possible parameters with which this class can be configured. The JSON example that follows shows one potential configuration.

Parameter Data type Minimum Maximum Default Description Example
Attraction_Config JSON object NA NA NA The fraction of vector feeds attracted to the artificial diet. Specify how this effect decays over time using one of the Waning effect classes. 
{
    "Attraction_Config:" {
        "Initial_Effect": 0.5,
        "Box_Duration": 100,
        "Decay_Time_Constant": 150,
        "class": "WaningEffectBoxExponential"
    }
}
Artificial_Diet_Target enum NA NA AD_WithinVillage

The targeted deployment of artificial diet. This parameter is required. Possible values are:

  • AD_WithinVillage
  • AD_OutsideVillage
 
{
    "Artificial_Diet_Target": "AD_WithinVillage"
}
Cost_To_Consumer float 0 999999 10 The unit cost per vector control (unamortized). 
{
    "Cost_To_Consumer": 8
}
Primary_Decay_Time_Constant float 0 1.00E+0 0 The primary decay time constant (in days) of the decay profile. 
{
    "Primary_Decay_Time_Constant": 180
}
Secondary_Decay_Time_Constant float 0 999999 1 The secondary decay time constant of the durability profile. This parameter is used when Durability_Profile is set to CONCENTRATION_VERSUS_TIME. 
{
    "Durability_Profile": "CONCENTRATION_VERSUS_TIME",
    "Secondary_Decay_Time_Constant": 730
}
Disqualifying_Properties string NA NA NA A list of IndividualProperty key:value pairs that cause an intervention to be aborted (persistent interventions will stop being distributed to individuals with these values). See NodeProperties and IndividualProperties parameters for more information. Generally used to control the flow of health care access. For example, to prevent the same individual from accessing health care via two different routes at the same time. 
{
    "Disqualifying_Properties": [
        "InterventionStatus:LostForever"
    ]
}
Intervention_Name string NA NA NA The optional name used to refer to this intervention as a means to differentiate it from others that use the same class. 
{
    "Intervention_Name":"Diagnostic_Sample"
}
New_Property_Value string NA NA NA An optional IndividualProperty key:value pair that will be assigned when the intervention is distributed. See NodeProperties and IndividualProperties parameters for more information. Generally used to indicate the broad category of health care cascade to which an intervention belongs to prevent individuals from accessing care through multiple pathways. For example, if an individual must already be taking a particular medication to be prescribed a new one. 
{
    "New_Property_Value": "InterventionStatus:None"
}

{
    "Events": [{
        "class": "CampaignEvent",
        "Nodeset_Config": {
            "class": "NodeSetAll"
        },
        "Start_Day": 120,
        "Event_Coordinator_Config": {
            "class": "StandardInterventionDistributionEventCoordinator",
            "Intervention_Config": {
                "class": "ArtificialDiet",
                "Artificial_Diet_Target": "AD_WithinVillage",
                "Attraction_Config": {
                    "Initial_Effect": 0.5,
                    "Box_Duration": 100,
                    "Decay_Time_Constant": 150,
                    "class": "WaningEffectBoxExponential"
                },
                "Cost_To_Consumer": 10.0
            }
        }
    }],
    "Use_Defaults": 1
}