What Are the Four Ways That Pathogens Are Spread?
The Association of the British Pharmaceutical Industry states that four ways pathogens are spread are by droplet infection, direct contact, bodily fluids and vectors. Pathogens can also be spread via contaminated food and water.
Droplet infection refers to the spread of infection via tiny droplets of fluid that come out of the nose or mouth when someone sneezes or coughs. The droplets contain disease-causing microorganisms. The common cold is easily spread through droplet infection.
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