Deterministic SEIR model of Ebola Khan et al. developed a SEIR (susceptible-exposed-infected-recovered) type deterministic model, and used data from the Centers for Disease Control and Prevention (CDC), for the Ebola outbreak in Liberia and Sierra Leone. ![](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC/bin/___Fig_HTML.jpg) a flow diagram depicting the dynamics of the Ebola virus across all compartments.