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What are the three main ways pathogens are spread?
Water, air and direct contact.
How can the spread of disease be prevented?
Being hygienic, destroying vectors, isolating infected individuals and vaccination.
How can pathogens be spread through water?
They can be picked up by drinking or bathing in dirty water.
How can pathogens be spread through air?
They can be carried in the air and breathed in.
How can pathogens be spread through direct contact?
Touching contaminated surfaces, such as skin.