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Scientific Sessions

Infectious Diseases

Infectious diseases are caused by infectious organisms. Typically, these are bacteria, viruses, fungi, or worms/ helminths. Under normal circumstances, when the immune system of the host is fully functional, disease symptoms may not develop. If the host immune system is compromised, or the infectious agent overwhelms the immune system, an infectious disease ensues. Most infections are caused by bacteria, viruses, protozoa, helminthes, rickettsia, and fungi. Prions are responsible for slow-progressing neurological disorders such as Creutzfeldt-Jakob Disease.