Fig. 2From: Developing and testing a Corona VaccinE tRiAL pLatform (COVERALL) to study Covid-19 vaccine response in immunocompromised patientsWorkflow overview. The basic layout of the infrastructure: Both system, the Swiss HIV Cohort Study (SHCS) and Swiss Transplant Cohort Study (STCS) interact with the newly set-up trial platform on Research Electronic Data Capture (REDCap). Various application programming interfaces (API) and triggers enable communication between these systemsBack to article page