Concentration

Ct Value (Real-Time RT-RT-PCR)

Number of Droplets (Digital RT-PCR)

H9 × 100

12.41 ± 0.36a

4026.15 ± 172.46a

H9 × 101

15.70 ± 0.64a

465.32 ± 94.76b

H9 × 102

18.24 ± 0.27a

59.42 ± 1.21c

H9 × 103

21.74 ± 0.97b

8.64 ± 0.67d

H9 × 104

25.68 ± 0.89bc

3.19 ± 1.01d

H9 × 105

28.4 ± 1.08c

2.74 ± 2.28d

H9 × 106

30.23 ± 1.17c

3.04 ± 3.10d

NTC (H20)

35.02 ± 0.42d

0d