Doubling Time of the COVID-19 Epidemic by Province, China

Emerg Infect Dis. 2020 Aug;26(8):1912-1914. doi: 10.3201/eid2608.200219. Epub 2020 Apr 24.

Abstract

In China, the doubling time of the coronavirus disease epidemic by province increased during January 20-February 9, 2020. Doubling time estimates ranged from 1.4 (95% CI 1.2-2.0) days for Hunan Province to 3.1 (95% CI 2.1-4.8) days for Xinjiang Province. The estimate for Hubei Province was 2.5 (95% CI 2.4-2.6) days.

Keywords: 2019 novel coronavirus disease; COVID-19; China; SARS-CoV-2; coronavirus; epidemiology; infectious disease transmission; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Betacoronavirus / growth & development*
  • Betacoronavirus / pathogenicity
  • COVID-19
  • COVID-19 Testing
  • China / epidemiology
  • Clinical Laboratory Techniques / methods
  • Coronavirus Infections / diagnosis
  • Coronavirus Infections / epidemiology*
  • Coronavirus Infections / transmission*
  • Coronavirus Infections / virology
  • Geography
  • Humans
  • Incidence
  • Pandemics*
  • Pneumonia, Viral / diagnosis
  • Pneumonia, Viral / epidemiology*
  • Pneumonia, Viral / transmission*
  • Pneumonia, Viral / virology
  • SARS-CoV-2
  • Time Factors