Association between COVID-19 vaccination and first healthcare utilization for chronic obstructive pulmonary disease:

Sang Hyuk Kim1, Seung-Hun You2, Ju Won Lee2

  • 1Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea.

Vaccine
|June 7, 2025
PubMed

Insights

COVID-19 vaccination significantly lowers the risk of chronic obstructive pulmonary disease (COPD) healthcare utilization. This protective effect is particularly strong for mRNA vaccines and reduces emergency room visits and hospitalizations for COPD patients.

Area of Science:

  • Pulmonology
  • Immunology
  • Public Health

Background:

  • Growing uncertainties surround the impact of COVID-19 vaccination on chronic obstructive pulmonary disease (COPD).
  • Previous research has not fully elucidated the association between COVID-19 vaccination and COPD outcomes.

Purpose of the Study:

  • To investigate the association between COVID-19 vaccination and the risk of healthcare utilization for COPD.
  • To analyze the impact of vaccination on COPD-related emergency room visits and hospitalizations.

Main Methods:

  • A large-scale cohort study utilizing COVID-19 immunization registry data.
  • Assessed COVID-19 vaccination status as the exposure and first healthcare utilization for COPD as the outcome.
  • Employed Cox proportional hazards models to determine the risk of COPD-related healthcare utilization.

Main Results:

  • COVID-19 vaccination was associated with a significantly lower risk of first healthcare utilization for COPD (HR=0.46).
  • The risk reduction was more pronounced for emergency room visits or hospitalizations (HR=0.24).
  • The protective effect was less significant in frequent healthcare utilizers, but more evident in those with asthma or pulmonary tuberculosis.

Conclusions:

  • COVID-19 vaccination is linked to a decreased risk of initial healthcare utilization for COPD.
  • mRNA vaccines and reduced emergency visits/hospitalizations show a pronounced protective effect.
  • Vaccination benefits are observed across various subgroups, including those with specific comorbidities.
Abstract

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