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OUTBREAK!. Pandemics and Emerging Diseases SBI 4UI Mrs. Tuma. Population Health. mortality rate (deaths) - by age group - infant/maternal mortality as key indicators morbidity – how many people are ill/affected

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outbreak

OUTBREAK!

Pandemics and Emerging Diseases

SBI 4UI

Mrs. Tuma

population health
Population Health
  • mortality rate (deaths)
  • - by age group
  • - infant/maternal mortality as key indicators
  • morbidity – how many people are ill/affected
  • - some diseases may leave lasting effects
  • - significant economic impact
  • http://www.who.int/en/
population health1
Population Health
  • Disease in Developing Countries
  • - infectious disease widespread
  • - population distribution shows effects
  • Disease in Developed Countries
  • - infectious disease still prevalent BUT…
  • - chronic and lifestyle diseases take over
  • (e.g.: cancer, diabetes, heart disease)
what does that mean
What does that mean?
  • Endemic – disease is limited to a particular

region eg: malaria

  • Epidemic – disease has many cases above a

baseline amount

  • Pandemic- worldwide spread across continents

- WHO has a 6-stage classification system

- must be infectious

a look back
A Look Back
  • 1341-1400 Black Plague in Europe
  • http://www.ctv.ca/CTVNews/Health/20111012/black-death-plague-genome-sequenced-111012/
  • 1781-1799 Jenner introduces vaccination
  • 1861-1880 Joseph Lister practices antiseptic surgery
  • 1881-1899 Pasteur vaccinates against rabies

Discovered that mosquitoes carry malaria

a look back1
A Look Back
  • 1918 Spanish flu (H1N1) pandemic kills 20-40

million people

  • 1920 Fleming discovers penicillin
  • 1941 Antibiotic use begins
  • 1955 Polio vaccine developed
a look back2
A Look Back
  • 1957 “Asian flu” (H2N2)
  • 1969 “Hong Kong flu” (H3N2)
  • 1970 Smallpox erradicated
  • 1981 First cases of AIDS appear in N.A.
  • 2003 SARS
  • 2009 H1N1 pandemic
  • Avian flu – the next pandemic? (first human

infection in 1997– no direct human-human

transmission)

slide8

http://www.ctv.ca/CTVNews/_UNDEFINED_VALUE_/20090424/swine_flu_090424/http://www.ctv.ca/CTVNews/_UNDEFINED_VALUE_/20090424/swine_flu_090424/

anatomy of a pandemic
Anatomy of a Pandemic
  • Disease spread easily, often by droplets
  • Most severe strains appear after jumping species

(i.e.: birds, pigs)

  • Flu-like symptoms may be more severe in some
controlling the pandemic
Controlling the Pandemic
  • Quarentine the infected
  • Supportive care (hydration, respiratory support)
  • Antivirals (i.e.: Tamiflu)

http://www.cbc.ca/news/health/story/2012/01/17/tamiflu.html

  • Cancel public events, close schools
  • Immunization
other diseases on the radar
Other Diseases on the Radar
  • HIV/AIDS
  • SARS
  • West Nile
  • Malaria
  • Dengue Fever