Clinical deterioration in human immunodeficiency virus type 1 ( HIV-1 ) infection is associated with increased levels of viral replication and burden in the peripheral blood and lymphoid organs .
clinical deterioration in human immunodeficiency virus type 1 ( hiv-1 ) infection is associated with increased levels of viral replication and burden in the peripheral blood and lymphoid organs .
O O O B-virus I-virus I-virus I-virus I-virus O B-virus O O O O O O O O B-other_name I-other_name O O O O B-tissue I-tissue O B-body_part I-body_part O