10.1371/journal.pone.0152950.g007 Chantal Nguyen Chantal Nguyen Jean M. Carlson Jean M. Carlson Difference between stochastic and deterministic optimal strategies. Public Library of Science 2016 time delay vaccination protocols Stochastic SIR Model Real-time vaccination probability distribution tradeoffs mandate investigation vaccine deployment master equation Limited vaccine prioritizing allocation time delays Optimizing Real-Time Vaccine Allocation disease dynamics epidemic size interaction logistics result SIR model 2016-04-04 12:46:56 Figure https://plos.figshare.com/articles/figure/Difference_between_stochastic_and_deterministic_optimal_strategies_/3155344 <p>The stochastic and deterministic models are compared by plotting the difference between optimal fractions of vaccine allocated to city B for the case of 12.5% vaccination. City A has 39 initial susceptibles and 1 infective; city B has 40 initial susceptibles. The recovery rate <i>γ</i> = 0.15 and the reproductive number <i>r</i><sub>0</sub> = 2.</p>