Parasites
Bacteria and Viruses
Chemicals/ pesticides
Toxins
Improper food control
This means following hygiene practices in the food preparation area
Food poisoning by this occurs when food is not stored or cooked properly. E.g. salmonella
It is a plant or an animal organism that lives in (or on) someone, if you come in contact in, and takes its nourishment (lives on) from that other organism (in this case, your body). Could be found in water in lakes and rivers.
These are harmful when consumed, they used mostly on fruit and vegetables by farmers to protect their crop from insects, weeds, and fungi (mould).
Can be found naturally in food. E.g. mould, poisonous mushrooms, lectins in beans