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Evolving global and national criteria for identifying a suspected case of COVID-19

Amporn Atsawarungruangkit1, Jin Yuan2, Takamitsu Kodama3

  • 1Warren Alpert Medical School of Brown University, Providence, Rhode Island, United States.

The Journal of International Medical Research
|September 1, 2020
PubMed

Insights

Diagnostic criteria for suspected coronavirus disease 2019 (COVID-19) varied significantly worldwide. This lack of consensus hinders accurate case identification and global pandemic response efforts.

Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • The COVID-19 pandemic, originating in December 2019, necessitated rapid case identification to curb global spread.
  • Discrepancies in diagnostic criteria among international bodies and countries complicated early case detection.

Purpose of the Study:

  • To analyze and compare the criteria used by international health agencies and 10 countries for identifying suspected COVID-19 cases.
  • To highlight variations in clinical and epidemiological factors influencing case definitions.

Main Methods:

  • A review of COVID-19 case identification guidelines from two international agencies and 10 countries.
  • Analysis included clinical features and epidemiological risk factors, with translation of non-English documents.

Main Results:

  • Significant variations were observed in clinical features and epidemiological risks required for suspected COVID-19 case evaluation.
  • Differences likely stem from resource availability, political factors, prior pandemic experience, and local outbreak severity.

Conclusions:

  • No universal consensus exists on the optimal diagnostic criteria for identifying suspected COVID-19 cases.
  • Variability in case definitions poses challenges for consistent global public health responses.
Abstract

Keywords:
Coronavirus disease 2019clinical characteristicsdiagnostic criteriaepidemiological risksevere acute respiratory syndrome coronavirus 2study participantssuspected case

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