4.1
Infectious and Non - Infectious Diseases
Airborne diseases
Droplet transmission
Dust transmission
Waterborne diseases
Happens in an area with an inadequate water supply and poor sanitation
Example: Ringworm and Tinea - Touching the infected skin or wearing the same clothes of an infected person will cause infections to occur
Animals that transmit these pathogens are called vectors.
Example :
1) Cockroach - Salmonella typhi
2) Aedes mosquito - Dengue virus
How do Vectors Spread Diseases?
Three stages of preventions of infectious diseases
1) Primary stage - Improving health
2) Secondary stage - Determining transmission of infections through active and passive case detection
3) Tertiary stage - Controlling vector populations
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