7 EMERGING DISEASES -- trends in infectious disease

7 EMERGING DISEASES -- trends in infectious disease - Diet...

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Unformatted text preview: Diet is not the same as nutrition Early childhood/infant undernutrition associated with greater risk of abdominal fat, obesity, hypertension and mortality from CVD (…where is this likely to be more of a problem? Why?) Malnutrition is clearly the result of poverty and social deprivation Malnutrition a factor of war, famines, discrimination against women Trends in Infectious disease 17 millions deaths annually ARI = 4 Diarrhea = 3 HIV/AIDS = 2.5 TB = 2 Malaria = 1.5 Infections 1-2% of deaths in wealthy 50% in poor Among poorest subpops, 2/3 of deaths Positive news Smallpox eradicated New vaccines (Hep a,b) Safe drinking water But…major public health improvements still needed: Factors Ab resistance Mobility, trade Intensified livestock prod Urbanization, migration POVERTY We have become complacent Sanitary improvements, cleaner water (for some ), hygiene improvements, antibiotics, control vectors, vaccinate But… ~30 newly identified disease organisms since 1970s: HIVAIDS, rotavirus, cryptosporidium, legionella, Ebola, Lyme, Hep C, hantavirus, e coli 0157 Plus… resurgent malaria, MDR-TB, cholera, plague, salmonella, diptheria Emerging Infectious Disease Socioeconomic Environmental Ecological Majority are Zoonoses (60%) Originate in wildlife EID sources Where are the EID events?Where are the EID events?...
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This document was uploaded on 10/28/2011 for the course ANTH 319 at UNC.

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7 EMERGING DISEASES -- trends in infectious disease - Diet...

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