2. the nature of epidemics Flashcards
epidemiology
the study of patterns, causes and effects of health and disease conditions in populations
what is required for the ongoing spread of infection
for the infection to be transmitted from infected animal to at least one susceptible animal during the infectious period
what is the first generation of infection
index
case fertility rate
the percentage of cases that died
SARS 2002 timeline
- china experienced a large outbreak of SARS but did not tell the world for a long time
- Feb 24th Dr. Liu infected 7-12 people
- 9 days later he died of SARS
- within a couple of days cases started to occur all over the globe
- 17th of March WHO said we had a world emergency
why was it called a corona virus
looked like a crown
what did the laboratories do
worked together and developed the genetic code by the 12th of April
where were majority of cases
health workers
family members
in relation to SARS in addition with close contact what was needed for transmission
- respiratory droplets
- aerosol transmission (poorly ventilated areas)
- contact with contaminated surfaces followed by touching the face
what do a lot of infectious diseases have in common
they come from animals
where did Ebola come from
bats
