0:000:00
<p style="line-height:30px;hyphens:auto;color:#333333;text-align:justify;font-size:16px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;" data-flag="normal"><span>疫苗</span><span>是指用各类病原微生物制作的用于预防接种的生物制品。其中用细菌或螺旋体制作的</span><span>疫苗</span><span>亦称为菌苗。</span><span>疫苗</span><span>分为活</span><span>疫苗</span><span>和死</span><span>疫苗</span><span>两种。常用的活</span><span>疫苗</span><span>有卡介苗，脊髓灰质炎</span><span>疫苗</span><span>、麻疹</span><span>疫苗</span><span>、鼠疫菌苗等。常用的死</span><span>疫苗</span><span>有百日咳菌苗、伤寒菌苗、流脑...</span><br /></p>