ENV221H1 Lecture Notes - Lecture 15: Blood Transfusion, Yellow Fever, Microcephaly
Document Summary
Lecture 15 - infectious continued and international health policies. Emerging not only in developing world! Virus transmitted to people from wild animals and spreads in human population through human-to-human transmissions. Virus originally in monkeys in uganda in 1940s. Spread primarily through bite of infected mosquito. First discovered in a monkey in zika forest of uganda 1947. Since then, outbreaks in africa, ae asia, pacific islands. Related to dengue, yellow fever, japanese encephalitis, west nile. Zika may be spread through blood transfusion. What elevate the disease that the global community pay attention to. More cases of the disease than normal. Emergence of a disease to a population. Agents spread easily and stays in the population. E. g. if it goes out after a week then its not. Estimated to affect 5-10%of the global population. Cause millions of 3-5 millions people and 250k-500k death. Current subtype influenza a commonly found in people are.
