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Table 1 Ct values of RT-qPCR using RNA extracted from sample homogenised in saline buffer and AVL buffer

From: An optimised protocol for detection of SARS-CoV-2 in stool

Viral loada

Saline buffer

AVL buffer

Stool 1

Stool 2

Stool 3

Stool 1

Stool 2

Stool 3

N1-mean

N2-mean

N1-mean

N2-mean

N1-mean

N2-mean

N1-mean

N2-mean

N1-mean

N2-mean

N1-mean

N2-mean

0

-

-

-

-

-

-

-

-

-

-

-

-

50

34.8

36.2

-

-

-

33.5

35.2

-

-

-

 

-

100

34.8

36.3

-

-

34.2

32.5

34.9

35.2

-

-

-

-

150

34.6

35.3

35.8

-

34.9

33.9

33.8

34.7

36.4

-

-

-

200

34.2

34.0

35.9

-

34.2

33.0

33.5

33.9

35.8

-

37.2

-

250

34.0

34.6

35.4

-

34.8

33.6

35.0

36.0

36.7

-

36.0

-

500

32.8

33.6

34.2

-

33.7

33.5

35.1

36.3

36.2

-

35.4

36.7

750

32.7

33.7

35.4

33.8

33.5

33.9

36.0

-

36.6

-

33.1

34.8

  1. a Numbers of viral particles spiked in 100 mg of stool
  2. - = Sample showed no Ct value