Antibodies in swine induced by classical swine fever inactivated vaccines were evaluated by IHA test, and the maternal antibodies in piglets were studied.

采用IHA实验方法监测猪瘟灭活疫苗免疫的猪抗体产生水平，并对仔猪母源抗体的消长规律进行了研究。

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Production of the live vaccines requires much less chicken embryos than the traditional inactivated vaccines, which allows large-scale production and massive storage, Chen said.

陈化兰指出，活疫苗的生产需要的鸡胚量远比传统减活疫苗少，使得大量生产和储存称为可能。

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Despite the paucity of data -related to the use of influenza vaccines during the first -trimester of pregnancy, other inactivated vaccines (e.g. -tetanus) have proved safe in this context.

虽然目前关于在妊娠初期3个月内使用流感疫苗的资料还很少，但有其他灭活疫苗(如破伤风疫苗)已被证明在此期间可以安全使用。

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In a new study, scientists in the United States tested vaccines made with two kinds of inactivated virus.

VOA: special.2010.07.12

For them, only injections of H1N1 and seasonal flu vaccines are appropriate, since they contain inactivated or dead virus.

CNN: Study: Underlying conditions playing less of role in H1N1

Traditionally, vaccines were manufactured from the complete organism, such as an inactivated flu virus.

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