ANTC68H3 Lecture : Lecture 4
Document Summary
Antc68 lecture 4: t ropical i nfectious diseases: malaria. Humid tropics: one of most extensive/diverse biomes, yet one of the most threatened due to deforestation, high avg temp, high rainfall, high humidity, high species diversity (over 50% of world) Increased shift from communal to private land ownership plant species, agroforestry, multi-/intercropping. Important advantage: tropical forest is more resilient than others and can restore itself quicker. Tropical infectious diseases www. notesolution. com: di rect transmission: from one primary host to another, respiratory, fecal-oral, sexual, congenital, direct physical contact. Zoonotic diseases: primary host other than humans. Important source of emerging human infections: affects tropics more so than temperate regions, argentine and bolivian hemorrhagic fevers, bovine spongiform encephalopathy (bse, ebola, marburg, hantavirus, lassa & rift valley fever. Importance of agricultural practices, ecological change, urbanization, water control systems, lack of immunization, war and mass population movements, famine and poverty.
