- It is unknown whether prevotella is harmful or beneficial; prevotella is currently a controversial genus of bacteria. It is also unknown if prevotella abundance facilitates SARS-CoV-2 infection, or if infection from SARS-CoV-2 infection leads to an abundance of prevotella in the gut microbiome.

Does Prevotella abundance lead to Covid-19 or does Covid-19 lead to prevotella abundance?

In clinical samples of SARS-CoV-2 patients, an abundance of the bacteria prevotella has been observed in the gut microbiomes of these patients. 

Santa Clara University

Higher proportions of the bacteria Prevotelllaceae have been found in obese individuals who are at risk for Type II diabetes.

Higher Proportions of Prevotellaceae in obese Individuals 

Kalantar-Zadeh K, Ward SA, Kalantar-Zadeh K, El-Omar EM. Considering the Effects of Microbiome and Diet on SARS-CoV-2 Infection: Nanotechnology Roles [published correction appears in ACS Nano. 2020 Jul 28;14(7):9202]. ACS Nano. 2020;14(5):5179-5182. doi:10.1021/acsnano.0c03402

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