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Table 2 Eligibility criteria by location, cluster, household, and individual
| Level | Inclusion criteria | Exclusion criteria |
|---|---|---|
| Village | - Within ring roads of each city (stratum) | - Area < 0.125 km2 |
| - Populated residential areas | - Number of houses < 100 | |
| - Population < 300 | ||
| - Coverage of residential area 70–80% (scattered housing) | ||
| - Non-residential areas, e.g., agricultural fields, airports, industrial areas, commercial areas, (e.g., shopping malls), government offices, lakes, army camps, hospitals, and schools | ||
| Cluster | - All points of the cluster are at least 100 m from the nearest point of the village border | |
| Household | - Households that are permanently inhabited | - Apartment buildings |
| - Abandoned houses | ||
| - Households that are built or re-populated during the study period | - Non-permanent households | |
| Individual | - Individuals in households where household head has signed informed consent for household to participate in project | - A travel history outside the village during the previous 7 days |
| - Self-reported fever within the last 7 days | - Chronic disease, such as HIV/AIDS, or other health condition that preclude participation in the study | |
| - Age ≥ 1 year old | - Apparent inability to give informed consent, e.g., due to mental disability |
