Fig. 2.

Distributions of 1889 pandemic mortality peaks and R₀ values. (A) Peak sizes for 96 cities worldwide. The peak size for each city is the relative mortality increase at the peak's highest amplitude compared with baseline mortality; e.g., a peak size of 3 indicates that the excess mortality at the peak was three times the baseline mortality. (B) Estimates of R₀ values, assuming CFR = 0.2%, and respective Weibull distributed latent and infectious periods with means of 1.6 and 1.0 days.