Pathogen and communicable diseases Flashcards
1
Q
disease
A
condition impairs normal functioning
2
Q
pathogen
A
organism that causes disease
3
Q
direct transmission
A
- one organisms to another
- droplet infection, intercourse, touching an infect organism
- e.g. HIV, athletes foot
4
Q
indirect transmission
A
- transferred from one organism to another via an intermediate
- e.g. air water food and another orgnaism
- e.g. potato blight, spores carried in wind
- e.g. malaria
5
Q
vector
A
- animal that doesnt cause disease but spreads it
6
Q
overcrowding
A
- increase risk of transmission
- e.g. droplet infection remains in air
- e.g. TB
7
Q
climate
A
- e.g. potato/tomato late blight common during wet summers as spores need water
- malaria in hot and humid , ideal conditions for mosquitoes
8
Q
social factors
A
- e.g. HIV high in coutries where there is limited access to
- good healthcare
- less likely to be diagnosed and treated
- good helath education
- to inform about transmission and how it can be avoided