本病由肠病毒70型(BV70)引起,见于5～54岁之男女,病程分四期:1.急性结膜炎期(1～15天),多数累及双眼;2.中间潜伏期(5～60天)时,结膜炎已愈,无明显症状;3.瘫痪前期(4～5天),有低、中度发热,肌颤、局部肢痛与肌压痛;4.瘫痪期,急 The disease caused by Enterovirus 70 (BV70), found in men and women aged 5 to 54, the course of four points: 1. Acute conjunctivitis (1 to 15 days), most involving the eyes; 2. The middle incubation period (5 ~ 60 Day), conjunctivitis has been cured, no obvious symptoms; 3. Paralysis (4 to 5 days), with low, moderate fever, muscle flutter, local pain and tenderness; 4. Paralysis, acute