Table 2.

Correlation coefficients of microbiota signatures for the most common COVID-19 symptoms.

Symptom	Bacteria	Correlation coefficient	p-value
Dry cough	A. rectalis	0.232	0.039
	G. formicilis	0.228	0.043
	R. trehasifermetans	0.341	0.002
Dyspnea	Coprococcus spp.	0.232	0.012
	P. xylanisolvens	−0.259	0.021
	A. naeslandii	0.266	0.018
	R. timonensis	−0.265	0.018
	R. cecicola	−0.289	0.017
	S. salivarus	0.287	0.001
Fever	Enterobacterales spp.	0.280	0.012
	E. xylanophilum	−0.239	0.034
	R. cecicola	−0.269	0.016
Sputum	B. xylanisolvens	0.297	0.008
	B. luti	0.460	<0.001
Headache	Howardella spp.	0.302	0.007
	G. formicilis	0.277	0.013
	E. coli	0.256	0.023
	R. trehasifermentans	0.372	0.001
	S. salivarus	0.243	0.031
Myalgias and/or arthralgias	Coprococcus spp.	0.223	0.048
	Streptococcus spp.	0.234	0.038
	A. naeslandii	0.234	0.038
	B. xylanisolvens	0.276	0.014
	D. longicatena	0.237	0.039
Ageusia and/or anosmia	Fusicatenibacter spp.	0.247	0.028
	Herbinix spp.	0.233	0.039
	Streptococcus spp.	0.297	0.008
	A. rectalis	0.354	0.001
	A. naeslandii	0.297	0.008
	G. formicilis	0.377	0.001
	B. xylanisolvens	0.508	<0.001
	B. adolescentis	0.336	0.002
	E. coli	0.253	0.024
	R. trehasifermentans	0.522	<0.001
	S. parasanguinis	0.297	0.008
	B. finegoldii	0.401	<0.001
	F. prausnitzii	0.295	0.008
Odynophagia	B. xylanisolvens	0.237	0.035
	C. comes	0.246	0.029
Malaise	Enterobacterales spp.	0.304	0.006
	Streptococcus spp.	0.225	0.047
	A. rectalis	0.271	0.016
	A. naeslandii	0.225	0.047
	G. formicilis	0.297	0.008
	B. xylanisolvens	0.383	<0.001
	E. coli	0.348	0.002
	R. trehasifermentans	0.394	<0.001
	S. parasanguinis	0.225	0.047
	P. agglomerans	0.243	0.031
	B. xylanophilum	0.303	0.007
	B. luti	−0.239	0.003