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NDH VIROLOGY What is a virus? Definition in three parts - 1. Obligate intracellular parasite- Requires host cell machinery 2. Submicroscopic "filterable" infectious agent 3. Possesses genetic material The structure and physical composition of a virus provides essential information on: Possible Test Answer - • Identification (How to classify it) • Pathogenesis (how it causes disease) • Diagnosis (how to detect it) • Treatment (how to control it) • Prevention (how to ke...

NDH bacteria Which type of pathogen is capable of causing disease regardless of the status of the host immune system? - frank pathogen Which type of pathogen causes disease under appropriate conditions, such as, microbial overgrowth, entry through trauma, decreased immune status, antibiotic treatment, etc.? - opportunistic pathogen Obligate pathogen - microbes that cannot survive for long outside of the hosts Normal flora/environmental microbes as source of opportunistic disease - Sta...