is it unsanitary for flies to land on your food?



  1. 0 Votes

    Flies have been known to carry bacteria on their feet and in their mouth.  There is evidence that they can spread bacterial infections in cows, and it is likely that they could leave traces behind on food.  It is likely that your immune system would be able to ward off illnesses caused by the bacteria that is transported on a fly’s foot, supposing they land momentarily, but if the food is left for hours or days with many flies landing on it, you probably wouldn’t want to eat it.

  2. 0 Votes

    Due to the diverse diet flies are partial to (such as fecal matter and decomposing food), flies can pick up many varieties of pathogens and bacteria.  When a fly transfers to human food (such as items on a picnic table), some of these vectors could transfer to the human food and then be ingested, possibly spreading diseases.  It would be wise to no longer eat any food that had been exposed to several flies for an extended period of time.

  3. 0 Votes

    Also, flies deposit eggs and larvae in food that is left exposed.  While they are feeding, flies expel saliva and feces that can contain bacteria.  In fact, the average house fly can carry more than 1 million bacteria on their body, causing infections including: shigellosis, salmonella, typhoid fever, dysentery (diarrhea), Escherichia coli, conjunctivitis (pink eye) and parasitic worms.

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