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This information is for Press enquiries only. If you would like to find out more about participating in the trial, please click here.

Please read the press releases here before contacting us as your question may be answered there. For further enquiries, please contact the University of Oxford press team or the Nuffield Department of Primary Care Health Sciences communications team. We will try to respond to your message (if appropriate) as soon as we can, however we are unable to respond to all messages and responses may be delayed due to the nature of the current situation.