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Measles-mumps-rubella vaccination and asthma-like disease in early childhood

Anders Hviid1, Mads Melbye

  • 1Department of Epidemiology Research, Statens Serum Institut, Artillerivej 5, DK-2300 Copenhagen S, Denmark. aii@ssi.dk

American Journal of Epidemiology
|October 11, 2008
PubMed

Insights

The measles-mumps-rubella (MMR) vaccine may reduce the risk of asthma-like disease in children. This large study found vaccinated children had fewer asthma diagnoses and less need for asthma medications.

Area of Science:

  • Pediatric Allergy and Immunology
  • Vaccinology
  • Epidemiology

Background:

  • Asthma is a common chronic respiratory disease in childhood.
  • The relationship between childhood vaccination and asthma development remains an area of research interest.
  • Previous studies have yielded conflicting results regarding MMR vaccine and asthma risk.

Purpose of the Study:

  • To investigate the association between measles-mumps-rubella (MMR) vaccination and the incidence of asthma-like disease in early childhood.
  • To evaluate the impact of MMR vaccination on asthma-related hospitalizations and medication use.
  • To explore potential protective effects of MMR vaccination against childhood asthma.

Main Methods:

  • A nationwide cohort study in Denmark involving 871,234 children.
  • Utilized Poisson regression to analyze the association between MMR vaccination status and asthma outcomes.
  • Defined asthma-like disease by hospitalizations with asthma diagnoses and anti-asthma medication use.

Main Results:

  • MMR-vaccinated children showed a reduced rate of asthma diagnoses hospitalizations (RR=0.75) and anti-asthma medication use (RR=0.92).
  • A more pronounced protective effect was observed for severe asthma (status asthmaticus, RR=0.63) and specific asthma medications (long-acting beta2-agonist, RR=0.68).
  • No negative association was found with medications for general wheezing illnesses (systemic beta2-agonist, RR=1.02).

Conclusions:

  • The findings suggest MMR vaccination is associated with a reduced risk of asthma-like disease in young children.
  • Results do not support an increased risk of asthma following MMR vaccination.
  • MMR vaccination may play a role in preventing or mitigating childhood asthma development.

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