Osong Public Health and Research Perspectives (Apr 2020)

Coronavirus Disease-19: Summary of 2,370 Contact Investigations of the First 30 Cases in the Republic of Korea

  • COVID-19 National Emergency Response Center, Epidemiology and Case Management Team,
  • Korea Centers for Disease Control and Prevention

DOI
https://doi.org/10.24171/j.phrp.2020.11.2.04
Journal volume & issue
Vol. 11, no. 2
pp. 81 – 84

Abstract

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Between January 24th and March 10th, a total of 2,370 individuals had contact with the first 30 cases of COVID-19. There were 13 individuals who contracted COVID-19 resulting in a secondary attack rate of 0.55% (95% CI 0.31–0.96). There were 119 household contacts, of which 9 individuals developed COVID-19 resulting in a secondary attack rate of 7.56% (95% CI 3.7–14.26).

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