动物群体疫病控制理论及其应用 生理机能改变的病原（病原体），如猪瘟病毒，口蹄疫病毒，禽流感病毒，鸡新城疫病毒，过度饥饿等。 ② 潜在病原（Potential Pathogen，PP）：一般情况下不能引起疾病，但在一定条件的促发下可能引起疾病或导致正常生理机能发生改变的病原（病原体）
双语例句
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Given that the "tricorder" of Star Trek lore is still a scientific fantasy, pathogen detection alone will not eliminate the potential for contaminated food reaching the consumer.
Highly pathogenic avian influenza virus (H5N1) is an emerging pathogen with the potential to cause great harm to humans, and there is concern about the potential for a new influenza pandemic.