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What is a pathogen?
An organism that causes disease
What are most pathogens?
Microorganisms
What can pathogens be?
Infectious - They can pass from one individual to another and cause disease
How can pathogens pass?
Can pass between organisms of the same or different species
What are not all pathogens?
Infectious
Why aren’t all pathogens infectious?
You can’t catch acne which is caused by pathogens
How can pathogens spread?
Dirty water, aerosol infection, insects, contaminated food, direct contact and bodily fluids, sex
How can pathogens spread due to aerosol infection?
Sneezing, coughing, talking, breathing due to tiny droplets in air inhaled
How can pathogens spread due to insects?
They’re vectors of disease which can pick up infection when biting one person
How can pathogens spread due to contaminated food?
Bacteria causes disease when swallowed
How can pathogens spread due to direct contact + bodily fluid?
Skin on skin contact or bodily fluids like saliva, semen, vagina fluid and blood
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