Р1.清除病原体 elimination of pathogen?2.隐性感染 covert infection?3.显性感染 overt infection ?4.病原携带状态 carrier state ?5.潜伏性感染 latent infectionР1. 清除病原体Р非特异性防御能力 non-specific immunity ? 特异性免疫功能 specific immunity? —主动免疫 active immunity? —被动免疫 passive immunityР2.隐性感染Р病原体仅诱导机体产生特异性免疫应答,不引起或只引起轻微的组织损伤,在临床上不显出任何症状、体征,甚至生化改变,只能通过免疫学检查才能发现 Only make the host producing specific immune response, not having histomorphological damage, no symptoms and signs, no any biochemical changes, only discovered by immunological examinations?病原体通常被清除,但少数人可转变为病原携带状态 Pathogens can be eradicated or carriedР3.显性感染Р病原体侵入人体后,不但诱发免疫应答,而且通过病原体本身或机体的变态反应,导致组织损伤,引起病理改变和临床表现 Make the host producing specific immune response, having pathological changesР显性感染过程结束后,有些传染病可使感染者获得较为稳固的免疫力,另一些传染病免疫力并不牢固 Immunity can be consolidated or temporary
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