EESA10H3 Chapter Notes - Chapter 3: Ciguatera, Tetraodontidae, Aflatoxin

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Both chapter 3 (lec 7) mar 4: human body is host to other organisms bc it offers shelter and nutrients that enhance organisms production, zoonosis: an infectious disease that can be transmitted to humans from nonhumans. No cell wall, therefore don"t survive unless in a host organism. Cannot reproduce outside host but can make copies of own genetics and produce new viruses: prion: proteins found on surface of normal nerve cells of some mammalian species. Listeria organisms are widespread in mammals and birds and also in soil, and resistant to heat, cold, and dry. Blood poisoning and meningitis, pregnant women can get abortion or still birth: e. coli o157:h7 can be present in the intestines of healthy cattle and can contaminate meat during processing. Spoiled fish or tuna, swiss cheese production. Arbovirus: many arthropods transmit disease among larger animals by taking blood meals from them. Plague and yellow fever: puffer fish have neurotoxins, tetrodotoxin, saxitoxin.

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