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Hepatitis of unknown origin - Reporting protocol 2022

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This reporting protocol is intended for reporting national case-based data for surveillance of hepatitis of unknown origin from all the countries and areas of the WHO European Region, including the 27 countries of the European Union (EU) and the additional three countries of the European Economic Area (EEA), to the European level.

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Hepatitis of unknown origin - Reporting protocol 2022 - EN - [PDF-494.34 KB]
Page last updated: 9 Jun 2022