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. 2021 Mar 6;21:245. doi: 10.1186/s12879-021-05936-9

Table 2.

Prediction of the prevalence of COVID-19 in Jilin Province without comprehensive intervention measures on February 1, 2020

Date Number of cases Cumulative number of cases Attack rate
Feb. 29, 2020 20 356 1.32E-05
Mar. 31, 2020 82 1755 6.52E-05
Apr. 30, 2020 313 7033 2.61E-04
May.31, 2020 1250 28,485 1.06E-03
Jun.30, 2020 4742 108,914 4.05E-03
Jul.31, 2020 18,217 427,535 1.59E-02
Aug.31, 2020 62,146 1,578,295 5.86E-02
Sept.30, 2020 144,375 4,674,584 1.74E-01
Oct.31, 2020 170,712 9,908,011 3.68E-01