Nhận dạng các loại virus cúm
Đến nay, các chuyên gia nhận dạng được 3 type virus cúm là type A, B và C. Trong đó, type A xảy ra phổ biến nhất và đã gây trên 3 trận đại dịch xuyên nhiều quốc gia. Type A có thể gây bệnh nặng và tử vong, nhất là với trẻ nhỏ, người già, người có bệnh mãn tính về đường hô hấp và tim mạch. Type B hiếm khi gây dịch lớn. Type C chỉ gây bệnh cúm nhẹ và lẻ tẻ ở người.
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