Serum renin-angiotsnsion-aldosterone ( RAA ) levels were determined in 98 cases of epidemic hemorrhagic fever ( EHF ) , and 26 non-EHF as controls. The result revealed the variable elevation of RAA system levels in different phases of EHF.

• 对96例EHF患者病程各期血液RAA系统进行了169例次观测,发现各期RAA系统均呈激发状态,且其上升程度与病情一致。