The Disease State of Chlamydia A parasite is defined as an organism that lives in or on another organism called a host (2). If the parasite has the capacity to cause disease in the host then the parasite is called a pathogen. Disease in the host is caused by the infection of the parasite. The interaction between the host and parasite is complex. Both the pathogen and the host strive for survival in some of the …
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showed last 75 words of 1544 total
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