Testing has been completed for each donation and found to be Non-reactive or Negative for HBV (NAT), HIV-1 (NAT), HCV (NAT), WNV (NAT), Zika and for antibodies to HIV-1/2, HCV, HTLV I/II, HBc, HBsAg, and Syphillis. Each donor is tested for antibodies to T. Cruzi once.