Adverse event following immunization or vaccination in children in Minas Gerais: 2015 to 2020 / Eventos supostamente atribuíveis à imunização ou vacinação em crianças de Minas Gerais: de 2015 a 2020
An ecological, descriptive study with a quantitative approach, based on event notifications available in the National Immunization ProgramInformation System.
Results:
Among the 39,903,277 doses of immunobiologicals in childrenaged zero to nine, administered in the state of MG, 3,259 events of types of immunization errors were recorded, around 0.008% of the total and, of these, 91.86% did not result in adverse events and 56.02% were children under one year of age. The most frequent diagnosis was application outside the recommended age (29.12%). Among the manifestations, 71.91% were local and systemic, with fever being the most common (40.85%).
Conclusion:
The study demonstrated that immunization errors were rare and that most of them were not associated with adverse events, which reinforces the safety of the immunization process. This undoubtedly raises reflection on the need and relevance of continuing education for health professionals.
Dentre os 39.903.277 de doses de imunobiológicos administrados em crianças de 0 a 9 anos, no estado de Minas Gerais, registraram-se 3.259 eventos do tipo erros de imunizaçõo, cerca de 0,008% do total e, destes, 91,86% não acarretaram eventos adversos e 56,02% ocorreram em criançasmenores de 1 ano. O diagnóstico mais frequente foi a aplicação fora da idade recomendada (29,12%). Dentre as manifestações, 71,91% foram locais e, em relação às sistêmicas, a mais comum foi a febre (40,85%).