The pre-screened sample covers ailments including allergies, women’s health, hematology, ophthalmology and high blood pressure.

Members of the community include people suffering from and diagnosed with conditions, and both patients and caregivers.

Access to the community is available on an ad hoc and an ongoing basis.

Rob Berger, managing director, Maru/Blue, said: “We have 24 key ailments pre-screened in the US, Canada and the UK with feasibility extending to 500 completes in each ailment in each country.”