Disease transmission Flashcards
1
Q
What is disease transmission?
A
How pathogens enter the body.
2
Q
What is a pathogen?
A
An organism that causes disease to its host.
3
Q
What is direct transmission?
A
This is when physical contact is made with an infected person or a contaminated surface.
This can be through needle sharing, unprotected sex and airborne pathogens like dust.
4
Q
What is indirect transmission?
A
This is vehicle transmission, meaning it is through contact with infected food, water or blood. Also an infected vector and or droplets.
5
Q
How do infectious diseases spread amongst communities?
A
- Inadequate sanitation like unclean water and bad sewage disposal.
- Social distancing issues due to a dense population.
- Education through health promotion.
6
Q
What is the process of disease transmission?
A
- Infectious agent (A microorganism that can make you ill).
- Resiviour (Where germs live and grow).
- Portal of exit (How the microorganism gets out of the infected person).
- Mode of transmission (How it spread to another person).
- Portal of entry (How the microorganism gets into another person).
- Susceptible host (A pupil at risk of infection).
7
Q
What is airborne transmission?
A
The pathogen is carried by dust or droplets in the air.
