primary cytomegalovirus infection原发性巨细胞病毒感染
primary HIV infection艾滋病毒急性感染;艾滋病毒急;感染;HIV原发感染
Primary tuberculous infection原发性结核性感染;原发性结核感染
post-primary infection后初次感染
primary infection source初侵染来源
primary infection sources初侵染源
primary source of infection[植保] 初侵染源
primary infection focus中心病株