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Required sample size to detect the disease within 9 weeks for the DT model and for the IT model, depending on pathogen half-life. Outlier symbols (+) show 5 and 95% quantiles. Text shows the average, i.e., the expected sample size for detection with 95% confidence in 9 weeks. Asterisks show significance of Mann–Whitney U test against DT model (H0: not greater than DT; *p < 0.05, **p < 0.01, ***p < 0.001).
