生物负载可能存在于原料、原料药的起始物料、中间体或原料药中的微生物的水平和种类(例如，致病的或不致病的)。

Bioburden The level and type (e. g. objectionable or not) of micro-organisms that can be present in raw materials, API starting materials, intermediates or APIs.

youdao

结果：所检测的小龙虾和呕吐物中副溶血性弧菌均为不致病性副溶血性弧菌。 小龙虾分离菌株对替卡西林和头孢噻吩耐药。

Results:The two strains of Vibrio parahaemolyticus isolates were non-pathogenic, and the strain isolated from small lobster was tolerant to ticarcillin and cephalothin.

youdao

值得强调的是，大多数微生物并不致病。

It should be noted that for the most part microbes do not cause disease.

youdao

So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.

因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗

耶鲁公开课 - 生物医学工程探索课程节选