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9 January, 01:45

The spread of pathogens how do we get sick worksheet answers

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  1. 9 January, 02:13
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    Pathogens are any microorganisms that cause disease. These include viruses, bacteria, and parasites. They can spread via contaminated food and water; from one sick person to a healthy person; through contact with blood-containing pathogens; endogenous infection during an immunocompromised state.

    Water - and food-borne pathogens are spread via uncooked meat, improperly washed fruits and vegetables, and unsanitary practices of food handlers.

    Blood-borne pathogens are spread via vectors like mosquitos, and accidental injections of dirty syringes that were used on patients with hepatitis B or HIV.

    A person can be immunocompromised when the patient is undergoing chemotherapy, chronic or prolonged use of corticosteroids, or if he or she is simply born with a weak immune system. In this state, the person can easily be infected with normally harmless bacteria that live inside of us.
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