Out of 91 animals in 37 cages at the NEPRC, 5 cages contained all sVCA-seropositive animals, 7 cages contained all seronegative animals, and 25 cages contained both seropositive and seronegative animals. antigen (VCA) and EBNA-1, are widely used to document Epstein-Barr virus (EBV) infection (8, 13). Old World (4), and more recently New World (2), […]