Chapter 14 PPT spring

Chapter 14 PPT spring - G a m e P la n Lecture Ep id e m io...

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G a m e  Pla n Lecture   - Epide m io lo g y - Dis e a s e  te rm ino lo g y - C la s s ific a tio n o f infe c tio us   dis e a s e - De ve lo pm e nt o f dis e a s e - C a s e  s tudy:  the  b ird flu Lab C o m ple te  e xe rc is e s  39-40 S ynthe tic  e pide m ic
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The origins of modern epidemiology John Snow Cholera epidemic in London
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The origins of modern epidemiology John Snow Cholera epidemic in London Ignaz Semmelweis Puerperal fever in hospitals
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The origins of modern epidemiology
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The origins of modern epidemiology John Snow Cholera epidemic in London Ignaz Semmelweis Puerperal fever in hospitals Florence Nightingale Typhus/ cholera in Crimean War soldiers
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Disease-  in a  s ta te  o f no t b e ing  he a lthy,  c ha ng e  fro m  he a lth Infection - c o lo niza tio n o r inva s io n o f pa tho g e ns ,  m a y b e  m ic ro b e s  in the  wro ng  pla c e Pathogens - dis e a s e  c a us ing  o rg a nis m s Etiology - s tudy o f the  c a us e  o f a  dis e a s e Te rm ino lo g y
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Te rm ino lo g y Sporadic disease-   dis e a s e  tha t o c c urs  o c c a s io na lly in a   po pula tio n Endemic disease-   dis e a s e  tha t is  c o ns ta ntly pre s e nt in a   po pula tio n Epidemic disease-   dis e a s e  a c q uire d b y m a ny ho s ts  in a  g ive n  a re a  in a  s ho rt tim e Pandemic disease-   wo rldwide  e pide m ic Herd immunity-   im m unity in m o s t o f a  po pula tio n
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The  flu:  s po ra dic , e nde m ic , e pide m ic , a nd pa nde m ic ! Influenza Type A  - the  m o s t c o m m o n a nd c a us e s  the  m o s t s e rio us   s e a s o na l e pide m ic s  a ndpa nde m ic s  infe c ting  m ultiple  s pe c ie s    (pe o ple , b irds , pig s , ho rs e s , c a ts …) Influenza Type B  - c a n c a us e  s e a s o na l e pide m ic s , b ut the  dis e a s e  is   le s s  s e ve re ; g e ne ra lly infe c ting  o nly hum a ns   Influenza Type C  - no t c o nne c te d with e pide m ic s  o r pa nde m ic s ; m o re   m ild s ym pto m s  infe c ting  hum a ns  a nd s wine  
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Influe nza  virus Key features - O rtho m yxo virus  (vira l fa m ily) - RNA virus , with c a ps id a nd  e nve lo pe - Enve lo pe  m o le c ule s - He m a g g lutinin (HA) - Ne ura m inida s e  (N)
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This note was uploaded on 12/23/2009 for the course BIO 205 taught by Professor Murphy during the Fall '09 term at Miramar College.

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Chapter 14 PPT spring - G a m e P la n Lecture Ep id e m io...

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