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An ongoing measles outbreak in Bulgaria, 2009
L Marinova1, M Kojouharova, Z Mihneva
1National Centre of Infectious and Parasitic Diseases, Sofia, Bulgaria. lmarinova@ncipd.org
Summary
A measles outbreak in Bulgaria, primarily affecting the Roma population and young children, has prompted an urgent vaccination campaign. This initiative targets individuals up to 30 years old who are not fully vaccinated against measles.
Area of Science:
- Epidemiology
- Public Health
- Immunology
Background:
- Bulgaria reported no indigenous measles transmission for seven years prior to April 2009.
- An increasing number of measles cases emerged starting April 15, 2009.
Purpose of the Study:
- To report on the measles outbreak in Bulgaria.
- To identify affected populations and age groups.
- To describe the public health response.
Main Methods:
- Case notification and confirmation.
- Epidemiological investigation of the outbreak.
- Implementation of an immunization campaign.
Main Results:
- By June 19, 2009, 84 measles notifications were received.
- 64 cases were confirmed as measles; 15 probable cases are pending lab results.
- The outbreak predominantly affected the Roma population in northeastern Bulgaria, with young children (under 1 year and 1-9 years) being most vulnerable.
Conclusions:
- The measles outbreak highlights the importance of sustained high vaccination coverage.
- Targeted immunization campaigns are crucial for controlling outbreaks in vulnerable populations.
- The outbreak underscores the need for ongoing surveillance to prevent resurgence of measles.
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