HLTH101 Lecture Notes - Case Fatality Rate, Antigenic Drift, Influenzavirus B
4 Aug 2013
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Document Summary
Topic 7: changes in health through emerging and re-emerging infectious. Diseases 3: current and emerging infectious diseases that threaten human. Globally, approximately 33 million people are hiv positive (some sources believe that the number is actually much higher) in 2007, 2 million deaths occurred due to aids, and 2. 7 million new infections occurred. Globally, the number of deaths and of new cases has been declining since 2005, but some regions are still reporting increases. Provides extended opportunity to transmit the infection: hedonistic modes of transmission (not in all cases, sexual activity, intravenous drug use. Makes it difficult to eliminate risky behavior. Also has implications for treatment, since most potential anti-virals to hiv would likely lead to the destruction of the host cells, and these host cells are essential to the health of the person: influenza. Mortality ranging from the thousands in some years to the millions in others.
