Disease-producing organisms called pathogens

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Infectious disease has plagued us forever. Today the battle continues against the tiny but tough disease-producing organisms called pathogens. Pathogens include bacteria, viruses, fungi, protozoa, parasitic worms, and arthropods. To understand the transmission of an infection, one should know the portals of entry (how the pathogen enters the body), the portals of exit (how the pathogen leaves the body), and how the pathogen is spread (person-to-person, environment-to-person, or "tiny animal"-to-person). Explain why vaccination for infectious diseases is important to individuals that may be immunosuppressed.

Reference no: EM133929391

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