Welcome to the Control Group WIKI

Control Group Coop

Find out more about the Control Group, being a participant and the CG Health Card.

CV-19 Vaccine Study

Comparative health outcomes of the Covid vaccinated / unvaccinated.

Community

Join our worldwide community of people who want to take responsibility for their own health

Shop

Buy the Eldon blood-type test (UK only at present).

Joining us

What does it mean to join the Control Group?

User Support

Everything you need to know to create and maintain your health records.

Newsletters

Keep up-to-date with our monthly newsletters.

We have been redesigning our website, study portal and back-end database to make a more robust system, with better, long-term functionality, flexibility and an improved user experience.

New participants can join the new system right away and existing participants will be migrated to the new system over the few weeks. Thank you for your patience during this transition period.