A disparity in the number of studies related to COVID-19 and SARS-CoV-2 between low- And middle-income countries and high-income countries

Takuma Usuzaki, Shuji Chiba, Minoru Shimoyama, Mami Ishikuro, Taku Obara

Research output: Contribution to journalArticlepeer-review

Abstract

Background: There may be a difference in the number of articles about COVID-19 and SARS-CoV-2 between low- and middle-income countries (LMICs) and high-income countries (HICs). Methods: We analyzed authors' affiliations from 36 432 articles related to COVID-19 and SARS-CoV-2. We introduced logarithmic density and compared the number of articles and logarithmic density of LMICs with those of HICs. Results: The number of articles and the logarithmic density of LMICs were lower than those of HICs (p<0.0001 for both). Conclusions: There was a disparity in the number of articles related to COVID-19 and SARS-CoV-2 between LMICs and HICs.

Original languageEnglish
Pages (from-to)379-381
Number of pages3
JournalInternational Health
Volume13
Issue number4
DOIs
Publication statusPublished - 2021 Jul 1

ASJC Scopus subject areas

  • Medicine(all)

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