The social media campaign is due to launch the week before the start of the Olympics .
The social media campaign will express the pressure group 's objections to Atos Healthcare 's role in the controversial Work Capability Assessments ( WCA ) .
The social media campaign is due to launch the week before the start of the Olympics and will express the pressure group 's objections to Atos Healthcare 's role in the controversial Work Capability Assessments ( WCA ) .