Figure 1
From: Evaluating the effectiveness of localized control strategies to curtail chikungunya

Model diagram.
The model consisted of humans (H) and mosquitoes (V). Humans could be susceptible (SH), exposed (EH), pre-symptomatically infected (ÎH), asymptomatically infected (AH), symptomatically infected (IH), quarantined (QH), or recovered (RH). Mosquitoes could be susceptible (SV), exposed (EV), or infected (IV).