Influenza Burden Assessment in the United Kingdom, 1996-2008

Burden of Influenza in the United Kingdom, 1996-2008

The study will assess the burden of influenza by age, risk status, vaccination status and influenza subtype, in order to create a complete profile of the burden of influenza-related morbidity and mortality in United Kingdom from 1996 to 2008.

This epidemiological study is a modelling of time series retrospectively extracted from multiple databases. The data collection will be a query of existing electronic healthcare databases.

Inclusion Criteria:

• Registration with an acceptable flag in the GPRD, or registration with a potentially influenza-related event in the HES database or the ONS mortality data.

Exclusion Criteria:

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