From the clinical trials of view, at least 85% of them have a protective effect after vaccination.
从临床实验来看，至少有85%以上的人接种以后具有保护作用。
BCG is indeed disseminated tuberculosis in children must have a protective effect, but the effect of the immune at vaccination gradually decreased after 10 years.
卡介苗确实对儿童播散性结核有一定的保护效果，但是，其免疫效果在接种10年以后逐步减退。
He added that his "most surprising" finding was the observation that vaccination against influenza and pneumococcal infection appeared protective in these patients.
他指出，最令他惊讶的发现是，流感疫苗和肺炎双球菌感染似乎对这些病患产生保护效果。
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