adj.四价的
"Our study describes 2 cases of anaphylaxis after 380,000 doses of the quadrivalent vaccine had been administered," the researchers conclude. 研究人员总结：“我们的研究表明在380,000名疫苗接种者中仅有2人发生了过敏，”
All hospitals of Delhi Govt. And the Central Govt. Have administered approximately 12,000 vaccinations of quadrivalent meningococcal vaccine to identified high risk groups (including health care workers). 德里政府和中央政府的所有医院已对确定的高危群体(包括卫生保健工作人员)实施约12,000次四价脑膜炎球菌疫苗预防接种。
quadrivalent anion 四价阴离子
quadrivalent derivate 四价衍生物
