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Early-onset reaction after measles vaccination. Further Australian reports
Abstract:
Fifteen reports of reactions occurring within 30 minutes of vaccination with live attenuated measles virus have been received by the Adverse Drug Reactions Advisory Committee (ADRAC) up to March 30, 1982. These reactions were similar to those in three episodes reported recently. An acute change in skin colour, described as cyanosis, slight cyanosis, or mottling was the most commonly reported symptom. All the children recovered. The causes and mechanisms of these reactions remain unknown.
Insights
Adverse reactions following live attenuated measles virus vaccination, including cyanosis, were reported. While all children recovered, the causes of these acute reactions remain unknown.
Area of Science:
- Pediatrics
- Immunology
- Vaccinology
Background:
- Live attenuated measles virus vaccines are widely used for immunization.
- Adverse drug reactions to vaccines are monitored for safety.
- Previous reports of unusual reactions to measles vaccine exist.
Purpose of the Study:
- To report and characterize acute reactions occurring shortly after measles vaccination.
- To investigate the nature and frequency of these adverse events.
Main Methods:
- Review of case reports submitted to the Adverse Drug Reactions Advisory Committee (ADRAC).
- Analysis of symptoms and timing of reported reactions.
Main Results:
- Fifteen cases of reactions within 30 minutes of measles vaccination were reported.
- The most common symptom was acute changes in skin color (cyanosis, mottling).
- All reported cases experienced full recovery.
Conclusions:
- Acute, transient skin color changes can occur post-measles vaccination.
- The underlying mechanisms for these reactions are currently unknown.
- Continued surveillance for vaccine-related adverse events is important.