Table 3 Specificity evaluation of the SARS-CoV-2 RT-qPCR assay using known respiratory viruses and respiratory specimens and primers to the SARS-CoV-2 RdRp and E genes.

From: Validation of real-time RT-PCR for detection of SARS-CoV-2 in the early stages of the COVID-19 outbreak in the Republic of Korea

Viruses and specimens

Subtype strain

Real-time RT-PCR (Ct value)

RdRp

E

HCoV 229E

 

UD

UD

HCoV NL63

 

UD

UD

HCoV OC43

 

UD

UD

HCoV HKU1

 

UD

UD

MERS-CoV

KCDC

UD

UD

Influenza virus

A(H1N1)

UD

UD

Influenza virus

A(H3N2)

UD

UD

Influenza virus

B

UD

UD

Adenovirus

Type 5

UD

UD

Rhinovirus

 

UD

UD

Parainfluenza virus

1

UD

UD

Parainfluenza virus

2

UD

UD

Parainfluenza virus

3

UD

UD

Respiratory syncytial virus

A

UD

UD

Respiratory syncytial virus

B

UD

UD

Human metapneumovirus

 

UD

UD

Human bocavirus

 

UD

UD

Measles virus

A

UD

UD

Mumps virus

Jerylin

UD

UD

Rubella virus

Moraten

UD

UD

Enterovirus

D68

UD

UD

Varicella-zoster virus

 

UD

UD

Hantanvirus

 

UD

UD

Negative specimen 1

 

UD

UD

Negative specimen 2

 

UD

UD

Negative specimen 3

 

UD

UD

Negative specimen 4

 

UD

UD

Negative specimen 5

 

UD

UD

  1. UD, Undetected; negative specimen, specimens known to be negative for SARS-CoV-2.