WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
11,046 items of data are available, covering 11,046 participants. Some values have special meanings defined by Data-Coding 819.
There are 4777 distinct values.
Mean = 2003-09-30
74 items below graph minimum of 1974-09-27
1 items have value 1902-02-02 (Code has event date matching participant's date of birth)
3 items have value 1903-03-03 (Code has event date after participant's date of birth and falls in the same calendar year as date of birth)
Counts of participants/items last updated 20 May 2022.
Date of the first occurrence of any code mapped to 3-character ICD10 J11. The code corresponds to "influenza, virus not identified". Note that events which were apparently before birth were omitted when constructing this data field.