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. 2021 Jul 29;10:447. Originally published 2021 Jun 4. [Version 2] doi: 10.12688/f1000research.53392.2

Figure 1. Key factors that determine epidemiological outcomes.

Figure 1.

A-C. Cartoons representing the three potential outcomes for an epidemic beyond trivial disease-free equilibrium. Lines indicate total number of hosts, shaded areas indicate the fraction of hosts which are not susceptible. A. Host extinction. B. A bottleneck in the susceptible population. C. A balance between infections, CFR, and birthrate. D. Host interaction, quarantine, and isolation. E. Probability of Infection Following Host Contact (Infectivity). F. CFR. G. Immunity.