This paper is in the following e-collection/theme issue:

Outbreak and Pandemic Preparedness and Management (1777) Public (e)Health, Digital Epidemiology and Public Health Informatics (844) Statistical Methods for Surveillance and Population Health (170) Infectious Diseases (non-STD/STI) (1648) Innovative Methods in Public Health and Surveillance (357)

Published on in Vol 11 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/65439, first published .
Consistency of Daily Number of Reported COVID-19 Cases in 191 Countries From 2020 to 2022: Comparative Analysis of 2 Major Data Sources

Consistency of Daily Number of Reported COVID-19 Cases in 191 Countries From 2020 to 2022: Comparative Analysis of 2 Major Data Sources

Consistency of Daily Number of Reported COVID-19 Cases in 191 Countries From 2020 to 2022: Comparative Analysis of 2 Major Data Sources

Authors of this article:

Han Liu1 Author Orcid Image ;   Huiying Zong2 Author Orcid Image ;   Yang Yang3 Author Orcid Image ;   David C Schwebel4 Author Orcid Image ;   Bin Xie1 Author Orcid Image ;   Peishan Ning1 Author Orcid Image ;   Zhenzhen Rao1 Author Orcid Image ;   Li Li1 Author Orcid Image ;   Guoqing Hu1 Author Orcid Image
Article Authors Cited by Tweetations Metrics Author Video

Han Liu   1 , MPH ;   Huiying Zong   2 , MPH ;   Yang Yang   3 , PhD ;   David C Schwebel   4 , PhD ;   Bin Xie   1 , BM ;   Peishan Ning   1 , PhD ;   Zhenzhen Rao   1 , PhD ;   Li Li   1 , PhD ;   Guoqing Hu   1 , PhD

1 Department of Epidemiology and Health Statistics, Hunan Provincial Key Laboratory of Clinical Epidemiology, Xiangya School of Public Health, Central South University, Changsha, Hunan, China

2 Department of Medical Records Management, Xiangya Hospital, Changsha, China

3 Department of Statistics, Franklin College of Arts and Sciences, University of Georgia, Athens, GA, United States

4 Department of Psychology, University of Alabama at Birmingham, Birmingham, AL, United States

Corresponding Author:

  • Guoqing Hu, PhD
  • Department of Epidemiology and Health Statistics
  • Hunan Provincial Key Laboratory of Clinical Epidemiology
  • Xiangya School of Public Health, Central South University
  • 172 Tongzipo Road, Yuelu District
  • Changsha, Hunan, 741000
  • China
  • Phone: 86 73189667218
  • Email: huguoqing009@gmail.com