微生物的致病性微生物的致病性是指微生物引起疾病的能力,如伤寒杆菌能引起伤寒,痢疾杆菌能引起痢疾等等。具有致病性的微生物,称为病原微生物。病原微生物并不是在任何情况下都能侵入机体引起疾病的。一般认为,病原微生物能否引起疾病,与其毒力大小、侵入数量多少和是否获得适宜的侵入门 Pathogenicity of microorganisms The pathogenicity of microorganisms refers to the ability of microorganisms to cause diseases, such as typhoid fever caused by Salmonella typhi, dysentery bacillary dysentery and so on. Pathogenic microorganisms, known as pathogenic microorganisms. Pathogenic microorganisms do not invade the body in any way and cause disease. It is generally believed that pathogenic microorganisms can cause disease, regardless of their virulence, the number of invaders, and the appropriate entry point