Watch out for fly vomit, they are full of pathogens

Biting flies pose a threat to human health. Researchers have understood this for a long time. And they show today how flies that don’t bite can be just as dangerous. His lethal weapon: vomit!

Sensitive souls refrain! What follows may turn your stomach. Because even though he threw up of fly remains microscopic, it can be found in a food that you are going to eat. And that, beyond the immediately unpleasant aspect of the idea, is really not the best thing that can happen, according to the works researchers at the University of Massachusetts, Amherst (United States). The risk to our health would be much greater than the -already significant- posed by flies that bite and spread disease by carrying infected blood from one to another.

Imagine a fly. Of those that revolve around your table, especially in summer. Imagine it outdoors. Their main occupation is finding food. On dead animals on the side of the road, on decomposing waste or in the sewers. The fly stores everything it finds. In a culture in which there are very few enzymes or antimicrobial agents. Enough to turn it into a storage area too for all kinds of pathogens.

Before feasting on our plates, the flies regurgitate some of what they have ingested who knows where else.  A potentially contaminated vomit… © PaulSat, Adobe Stock

Before feasting on our plates, the flies regurgitate some of what they have ingested who knows where else. A potentially contaminated vomit… © PaulSat, Adobe Stock

Strange patient: catches parasitic worms in his eye after walking through a cloud of flies

pathogen-laden vomit

There would be nothing alarming if the fly calmly finished consuming the contents of its crop. But it may not be quite so. after feasting dog excrementFor example, the fly likes to get rid of excess water by regurgitating it. Then vaporizing everything that has been in contact with this water. The problem is when the regurgitation is done directly on the piece of chicken with which you are going to prepare a sandwich. The piece on which, therefore, the fly not only puts its dirty legs, but also potentially deposits vomit…

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