An additional distinguishing characteristic of HTLV-I infection is the profound state of viral latency that is present in circulating primary leukemic T cells .
an additional distinguishing characteristic of htlv-i infection is the profound state of viral latency that is present in circulating primary leukemic t cells .
O O O O O B-virus O O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O