RSA Study: Study Design
All seven Centers collecting voluntary blood donations participated
10,000 “Low-Risk” donors and 10,000 “High-Risk” donors
Sample contribution proportional to collection volume
Two EDTA plasma tubes shipped frozen to NAT laboratory at SABTS (Johannesburg) for individual TMA testing
Routine serology results and donor demographic information collected prior to linkage breaking and TMA testing
All positive samples shipped to BCP for additional testing