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Covasim: An agent-based model of COVID-19 dynamics and interventions

Fig 3

Illustration of contact networks with multiple layers in Covasim.

(A) In reality, individual people move between household, school, workplace, and community contact layers during the day. (B) In the model (shown here with a population of 20 people, with age structure and household sizes based on Malawi data), these dynamic contacts are approximated as static average daily contacts between layers. Individuals have different numbers of connections (lines) and connection weights (line widths; default relative weights shown) for each layer.

Fig 3