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Green curve: Median, γ = 2497 aerosol particles. Gray shaded areas: Central credibility regions for 68.3%, 95%, and 99% coverage. Black marker: Median (1731) and 95% CI (1039 ─ 2883) of the particle dose leading to infection with 50% probability (AP50). Red and blue contours: Linear equidistant iso-lines of the probability density of pairs (Z, pLR) as inferred from the two choir rehearsals.
