Volume 26, Number 8—August 2020
Research Letter
Doubling Time of the COVID-19 Epidemic by Province, China
Figure

Figure. Doubling time estimates for coronavirus disease in mainland China, by province, January 20–February 9, 2020. A) Harmonic mean of the arithmetic means of doubling time estimates; B) number of times the cumulative incidence doubled during the study period.
1These authors contributed equally to this article.
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