Fig. 2From: COVID-19 testing protocols to guide duration of isolation: a cost-effectiveness analysisSimulated incremental costs and secondary infections averted with antigen testing on day six of isolation versus next most cost-effective strategy (eight-day isolation with antigen test on day five). 10,000 iterations. Shaded ellipse represents 95% confidence area for results. Percentages are the probabilities of the result being in each of the quadrantsBack to article page