HSCI 304 Lecture Notes - Lecture 5: Environmental Health, Pesticide, Organochloride

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Benefits of pesticides: food production, minimization of post-production food losses, minimization of vector-borne disease. Historically a major threat to human health. Relatively well controlled in wealthy countries since wwii. Remains a major problem in many low income countries. Bubonic plague: europe, 1300s, successive epidemics ( black death , killed 25 million people, population of europe, bacterium (yersinia pestis) transmitted from rats by fleas, still ~2,000 3,000 cases per year worldwide. Malaria: caused by parasite species plasmodium. Spread from person to person by mosquitoes (females of anopheles genus) Four malaria parasites can infect humans: symptoms. Fever, flu-like illness, chills, headache, muscle aches, fatigue. Infection with plasmodium falciparum may cause kidney failure, seizures, coma, and death: any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest. The term pest means any harmful, destructive, or troublesome animals, plants, or microorganisms: unique in environmental health.

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