Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
What is the triad model of disease |
Three factors that influence disease caused by viruses (Host, environment, viral pathogen) |
|
|
Prevalence |
Number of EXISTING cases in a total population |
|
|
Incidence |
Number of NEW cases (usually per year) |
|
|
Endemic |
Diseases that persist at moderate level in a geographical area |
|
|
Epidemic |
Unusual high number of cases in a population or region |
|
|
Pandemic |
Worldwide epidemic (AIDS) |
|
|
Epidemiology of Influenza |
Short incubation period, 1-2 days until symptoms. Infected individuals are acute carriers. Spread by fomites |
|
|
Factors that influence spread of flu |
Population density, close contact with animals, herd immunity, migratory patterns of birds, public health programs/disease surveillance |
|
|
Strategies to reduce flu transmission |
Vaccination, good disease surveillance, identification of disease outbreak, potential quarantine, antiviral drug development |
|
|
First AIDS patients |
Had Karposi's Sarcoma, thrush, and PCP |
|
|
HIV epidemiology |
Humans are main reservoirs of HIV, spread by CHRONIC carriers, longer incubation period causes healthy appearance |
