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Long Coronavirus Disease 2019 and its Association with Noncommunicable Diseases: A Bibliometric Analysis

Debdutta Haldar1, Himanshu Shekhar Rout2, Shibaji Gupta3

  • 1Assistant Professor, Department of Community Medicine, Diamond Harbour Government Medical College, Midnapore, West Bengal, India.

Indian Journal of Public Health
|June 22, 2026
PubMed

Insights

Research on long COVID-19 and noncommunicable diseases (NCDs) is growing, focusing on cardiovascular and metabolic issues. However, neurological and oncological links need more investigation, with a call for better global collaboration.

Area of Science:

  • * Public Health
  • * Infectious Diseases
  • * Chronic Diseases

Background:

  • * Long coronavirus disease 2019 (COVID-19) is a significant global health concern.
  • * The connection between long COVID-19 and noncommunicable diseases (NCDs) is not well understood, despite shared biological mechanisms.
  • * Understanding this relationship is crucial for comprehensive patient care and public health strategies.

Purpose of the Study:

  • * To conduct a bibliometric analysis of global research on long COVID-19 and NCDs.
  • * To identify key research trends, influential contributors, and emerging thematic areas.
  • * To map international collaboration patterns in this research field.

Main Methods:

  • * Systematic literature search performed in Scopus and Web of Science databases.
  • * Utilized MeSH terms and keywords for comprehensive data retrieval.
  • * Bibliometric indicators analyzed using VOSviewer and R Bibliometrix software.

Main Results:

  • * 55 publications identified from 2020-2024, with peak research activity in 2023.
  • * Dominant research themes include cardiovascular, metabolic, and respiratory comorbidities associated with long COVID-19.
  • * Strong research collaborations observed between China, the USA, and the UK, with limited LMIC involvement.

Conclusions:

  • * Global research on long COVID-19 and NCDs is expanding but unevenly distributed.
  • * Cardiovascular and metabolic NCDs are well-studied, while neurological and oncological aspects require further investigation.
  • * Enhanced interdisciplinary collaboration and equitable LMIC participation are essential for future research.
Abstract

Keywords:
Bibliometric analysisGlobal Research Trendscollaboration networkslong coronavirus disease 2019noncommunicable diseases

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