NATS 1870 Study Guide - Final Guide: Smallpox Vaccine, Rna Virus, West Nile Fever
25 Jun 2017
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1800"s: hand washing - cholera sewage (63% death) 1960-2000: 3-6 b pop & drop life expectancy aids lic. Microbes: synthesize vitamin k co2 to o, adapt & keep host alive. Sars: hong kong conference, bat to racoon meat (acute) Mers-cov: camels to human, middle eastern respiratory disease (acute) Smallpox: 1519 ad europe - america (acute) In uenza: 1918 spanish u 50 m (acute) West-nile virus: wild birds, mosquitos - humans (acute) Tuberculosis: cows - humans early agriculture (chronic) Monkey pox: monkey to human, smallpox symptoms (no death) Adaptation: bacteria in new environment (with drugs) only ones that adapt survive. Resistance: drug misuse-> kills sensitive bacteria-> allows resistant to multiply & take over. Proper drug use: take prescribed strength & duration to ensure all bacteria is killed. Blame: farmers (80% leach into soil), health-workers/patients/developing countries (misuse), hospitals (sewage system & cancer drugs mutate bacteria), mother nature (evolution)
