Does Prevotella really play a role in infection?

The virus attacks a bacteria found in the body, according to an astonishing theory that flourishes on social networks. But is it even slightly founded?

Researchers are wondering about the role played by the intestinal microbiota.
Researchers are wondering about the role played by the intestinal microbiota. AFP

THE QUESTION. Is the SARS-CoV-2 virus a bacteriophage? That is to say, it would act by infecting a bacteria, naturally present in the body: Prevotella. By becoming virulent, this bacterium would trigger the immune hyper-reaction causing complications.

This theory was developed by Sandeep Chakraborty, who presents himself as a bioinformatics researcher at the University of California at Davis and Bio moon, a French SVT teacher has been circulating on social networks for a few days. What is it exactly?

CHECK. And let’s face it: for the specialists interviewed by Le Figaro, this theory does not hold water: “She is attractive, but the problem is that she is based on false assumptions”, insists Professor Harry Sokol, gastroenterologist at Saint-Antoine hospital and specialist in microbiota. “I feel like I am facing an exquisite corpse. We put reasoning and hypotheses end to end

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