Over 26,000 people have signed up and completed their questionnaire, and over 21,000 have been invited to provide a DNA sample. We believe we will be able to run a high-quality analysis on this size of cohort.

Our focus now is on getting as many spit kits back as possible. These need to be posted back to us by the 31 January 2024.

Each sample returned will strengthen the results of our research, so we really appreciate every kit sent back.