Table 2 Viral RNA in exosomes from culture supernatants of cell lines.

From: COVID-19 plasma exosomes promote proinflammatory immune responses in peripheral blood mononuclear cells

Exo samples

S gene

N gene

ATCB

SARS-COV-2

16.2

21.4

SARS-COV-2 alpha

19.2

21.9

A549 N&S

22.8

23.9

35.3

pos ctrla

16.5

31.7

21.0

  1. aPositive control (pos ctrl) RNA provided by the manufacture; –, not detected by qPCR; ATCB, human β-actin gene.