Table 2.

Regulation patterns of specific miRNAs in Long COVID

microRNA	Sample type	Regulation	References
miR-29a-3p	Peripheral blood mononuclear cells	up	[27]
miR-146a-3p		up
let-7b-3p		up
miR-9-5p	Plasma	up	[49]
miR-486-5p		up
miR-122-5p		up
miR-199a-5p		up
miR-214-3p		up
miR-146a-5p	Plasma	up	[50]
miR-17-5p	Plasma	down	[51]
miR-223-3p	Exhaled breath condensate	down	[52]
miR-146a-5p		up
miR-126-3p		down
miR-221-3p	Plasma	down	[53]
miR-16-5p		down
miR-9-5p		down
miR-34a	Plasma	up	[54]