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　　FRANCE - Combining vaccines often brings convenience but at the cost of efficacy.The aim of a recent trial by Merial was to find out if a combined vaccine of CIRCOVAC and SPRINTVAC impaired the efficacy of the vaccines.The trial found that the combined vaccine did not reduce the efficacy - it provided just as good results as the products used separately.

　　聯(lián)合疫苗除了不能帶來經(jīng)濟(jì)成本的減少，在其他方面都能帶來便捷。最近由梅里亞集團(tuán)(Merial)進(jìn)行的一項試驗旨在找出聯(lián)合疫苗的藥效，即要是圓環(huán)疫苗全病毒滅活苗(CIRCOVAC)與豬哮喘疫苗(SPRINTVAC)結(jié)合在一起，這種聯(lián)合疫苗是否會損傷兩種疫苗的藥效。試驗發(fā)明，聯(lián)合疫苗不會降低藥效-它所提供的實驗結(jié)果與單孤使用任意一個疫苗的結(jié)果一樣出色。