lots of points tell HOW you can catch these diseases.

Undercooked Ground Beef

Raw Poultry and Eggs

Improperly Canned Foods/Bulging Cans

Unpasteurized Milk/Contaminated Water

Feces/Poop and Not Washing Hands Frequently

Time/Temperature Abused Foods

Human Mucous From Sneezing and Coughing

Infected handler

Raw Poultry and Egg - raw poultry and eggs contain something called salmonella. Salmonella is a bacteria from contaminated food that causes an infected in the intestines that can later cause bacteria to form in the blood stream.

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Improperly Canned Foods/Bulging Cans - Other known as botulism, a can that is dented or improperly canned can grow a germ called "Clostridium botulinum". This germ is formed from the soil and can grow in improperly canned foods. This germ can be deadly.

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Unpasteurized Milk/Contaminated Water - and contaminated water can contain bacteria that can cause E. coli and salmonella.

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Feces/Poop and Not Washing Hands Frequently - Not washing your hands after using the bathroom can cause all sorts of illnesses like E. coli and salmonella.

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Time/Temperature Abused Foods - These foods can cause food-borne illness.

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Human Mucous From Sneezing and Coughing - typically this means you have a cold or the flu but not washing your hands after sneezing and not covering you moth when your coughing can lead you to affecting other people with the same illness.

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Infected handler - countless of illnesses from food producers that may not wear gloves, don't cover there moth while coughing, and has the cold or flu.

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Hope This Helped! Good Luck!