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. 2022 Jan 20;19(3):1127. doi: 10.3390/ijerph19031127

Figure 1.

Figure 1

Figure 1

Histogram and probability density of estimated Lognormal distribution of incubation period (days) for (a) Delta and (b) non-Delta cases in Japan. (c) Comparison of probability density of estimated Lognormal distribution of incubation periods between Delta (solid line) and non-Delta cases (dashed line).