【名词&注释】
医疗卫生机构(medical and health institution)、脾肾阳虚(yang deficiency of spleen and kidney)、公共卫生事件(public health event)、密切接触者(close contacts)、密切相关(closely related)、医学观察(medical observation)、卫生防护措施(hygienic protective measures)、肾阳虚衰(deficiency of the kidney-yang)
[单选题]其性开泄,易袭阳位的邪气是( )
A. 风邪
B. 寒邪
C. 湿邪
D. 燥邪
E. 火邪