[问]丙种球蛋白预防病毒性乙型肝炎有效吗? [答]病毒性肝炎按病原分为甲型、乙型、非甲非乙型三型。注射市场上出售的丙种球蛋白(简称丙球)对甲型肝炎有较好的预防或减轻症状作用。近年来有报告认为,丙球对非甲非乙型肝炎也能起一定的预防作用,但还有待进一步观察研究。对乙型肝炎要含有较高滴度的乙型肝炎表面抗体(抗-HBs)的丙球才有预防作用。而普通丙球因不含或仅含微量的乙型肝炎表面抗体,它不足以抵御乙型肝炎病毒的侵袭。因此,对乙型肝炎病人的密切接触者,丙球的 [Q] gamma globulin to prevent viral hepatitis B effective? [A] viral hepatitis by pathogen is divided into A, B, non-B non-B type. Injection on the market for sale of gamma globulin (referred to as the ball) on hepatitis A better prevention or alleviate the symptoms. In recent years, there are reports that the ball of c-non-non-hepatitis B can play a preventive role, but remains to be further observed and studied. For hepatitis B to contain high titers of hepatitis B surface antibodies (anti-HBs) of the c-ball have a preventive effect. The ordinary ball because it contains no or only trace amounts of hepatitis B surface antibodies, it is not enough to resist the invasion of hepatitis B virus. Therefore, close contact with hepatitis B patients, C ball