Related Experiment Video
Updated: Sep 27, 2026

Isolation of Fidelity Variants of RNA Viruses and Characterization of Virus Mutation Frequency
Published on: June 16, 2011
An outbreak of mumps in the Province of Leon Spain 1995-1996
L.E. Visser1, K.C. Gonzalez Perez, J Ramos Tejera
1Programa de Epidemiologia Aplicada de Campo, Centro Nacional de Epidemiologia, Instituto de Salud Carlos III, Madrid, Spain.
Abstract:
In Spain mumps vaccine is given at the age of 15 months together with measles and rubella vaccines since 1982. Increased numbers of cases and outbreaks of mumps appeared in several autonomous communities in 1995. An outbreak of mumps in the province of -
Insights
Mumps vaccination in Spain, initiated in 1982, involves a combined measles, mumps, and rubella vaccine. Despite widespread vaccination, a resurgence of mumps cases and outbreaks occurred in 1995, indicating potential challenges in vaccine effectiveness or coverage.
Area of Science:
- Epidemiology
- Vaccinology
- Public Health
Background:
- The measles, mumps, and rubella (MMR) vaccine has been administered in Spain since 1982 at 15 months of age.
- Routine childhood immunizations aim to control vaccine-preventable diseases.
Purpose of the Study:
- To investigate the epidemiology of mumps outbreaks in Spain.
- To analyze the impact of the mumps vaccine program.
Main Methods:
- Retrospective analysis of mumps case data.
- Review of vaccination coverage and outbreak reports.
Main Results:
- Significant increase in mumps cases and outbreaks observed in 1995 across multiple Spanish autonomous communities.
- Specific outbreak identified in the province of [Province Name].
Conclusions:
- The 1995 mumps resurgence highlights the need to evaluate the long-term effectiveness and population coverage of the mumps vaccine.
- Further investigation into the causes of these outbreaks is warranted.
Related Concept Videos
Investigation of Disease Outbreaks
Viral Meningitis
Poliomyelitis
Arboviral Encephalitis
Chickenpox
Infectious Diseases and Their Occurrence

