Data
60,595 items of data are available, covering 10,867 participants, encoded using Data-Coding 
7.
Defined-instances run from 0 to 8, labelled using Instancing 
27.
 
9 Instances
Instance 0 : First symptom questionnaire returned
10,867 participants, 10,867 items
 
Instance 1 : Second symptom questionnaire returned
10,515 participants, 10,515 items
 
Instance 2 : Third symptom questionnaire returned
10,318 participants, 10,318 items
 
Instance 3 : Fourth symptom questionnaire returned
10,145 participants, 10,145 items
 
Instance 4 : Fifth symptom questionnaire returned
9,906 participants, 9,906 items
 
Instance 5 : Sixth symptom questionnaire returned
8,779 participants, 8,779 items
 
Instance 6 : Seventh symptom questionnaire returned
63 participants, 63 items
 
Instance 7 : Eighth symptom questionnaire returned
1 participants, 1 items
 
Instance 8 : Ninth symptom questionnaire returned
1 participants, 1 items
 
Notes
Participants were presented with a list of symptoms and asked to tick "Yes" next to any that they had experienced since December 2019 if they were providing their first sample, or over the last month if they were not providing their first sample. 
The symptom for this Data-Field was: Diarrhoea