Fig. 1
From: A mathematical model for Zika virus transmission dynamics with a time-dependent mosquito biting rate
Schematic of the ZIKV transmission model. The solid arrows represent transitions between epidemiological classes, whereas the dash arrows represent interactions between humans and mosquitoes. Susceptible humans (Sh) can be infected if they are bitten by infectious mosquitoes. Infected humans immediately become exposed (Eh) and then transition to the infectious class (Ih) after the intrinsic incubation period. Finally, infectious humans move to recovered class (Rh). Mosquitoes enter the susceptible class at a birth rate hv and die at a natural death rate μv. If susceptible mosquitoes (Sv) bite infectious humans, they are moved to the exposed (Ev) class and then become infectious (Iv)