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Table 1 Overview of the assays used for SARS-CoV-2 detection, antibody detection and genotyping at the NRC UZ/KU Leuven and at the UZ Leuven hospital. The assays currently in use are marked in bold

From: Nationwide quality assurance of high-throughput diagnostic molecular testing during the SARS-CoV-2 pandemic: role of the Belgian National Reference Centre

Assay

Assay description

Device type

Instrument (manufacturer)

SARS-CoV-2 targets

Other targets

Instrument set-up

Instrument capacity (tests/24 h)

TAT (min)

Implementation date

A. Overview of assays used for SARS-CoV-2 detection

LDT Respiratory panel

NA extraction + qPCR

LDT

eMAG (BioMérieux) + QuantStudio Dx (TMO)

ORF1ab

IC and 28 other pathogens*

Open system (batch)

112

300

16–01-2020

LDT SARS-CoV-2 eMAG/ QuantStudio

NA extraction + qPCR

LDT

eMAG (BioMérieux) + QuantStudio Dx (TMO)

E

IC

Open system (batch)

576

240

31–01-2020

LDT SARS-CoV-2 Panther Fusion

NA extraction + qPCR

LDT

Panther Fusion (Hologic)

E, ORF1ab

IC

S2R system

750

150

17–02-2020

LDT SARS-CoV-2 KingFisher/ QuantStudio

NA extraction + qPCR

LDT

KingFisher Flex (TMO) + QuantStudio Dx (TMO)

E

IC

Open system (batch)

2160

240

04–03-2020

Xpert Xpress SARS-CoV-2

NA extraction + qPCR

CE-IVD (FDA EUA)

GeneXpert IV (Cepheid)

N2, E

IC

S2R system

96

60

07–05-2020

Aptima SARS-CoV-2 Assay

NA extraction + TMA

CE-IVD (FDA EUA)

Panther System (Hologic)

ORF1ab

IC

S2R system

750

210

08–06-2020

Alinity m SARS-CoV-2 Assay

NA extraction + qPCR

CE-IVD (FDA EUA)

Alinity m (Abbott)

N, RdRP

IC

S2R system

1000

140

14–10-2020

Xpert Xpress SARS-CoV-2/ Flu/ RSV

NA extraction + qPCR

CE-IVD (FDA EUA)

GeneXpert IV (Cepheid)

N2, E

IC; M1, PB2, PA gene (Influenza A); M1, NS1 gene (Influenza B); N gene (RSV)

S2R system

160

36

12–01-2021

Panbio COVID-19 Ag Rapid Test Device

Rapid chromatographic immunoassay

CE-IVD(FDA EUA)

Abbott

N protein

IC

N/A

N/A

15

26–01-2021

MagMAX Viral/Pathogen II Nucleic Acid Isolation Kit + TaqPath COVID-19 CE-IVD RT-PCR kit

NA extraction + qPCR

CE-IVD (FDA EUA)

Freedom EVO 150 (Tecan) + KingFisher Flex (TMO) + QuantStudio 7 Flex (TMO)

N, ORF1ab, S

IC

Open system (batch)

864

150

09–02-2021

Cobas SARS-CoV-2

NA extraction + qPCR

CE-IVD (FDA EUA)

Cobas Liat (Roche)

N, ORF1ab

IC

S2R system

72

20

17–10-2021

Cobas SARS-CoV-2 & Influenza A/B

NA extraction + qPCR

CE-IVD (FDA EUA)

Cobas Liat (Roche)

N, ORF1ab

IC; M1 gene (Influenza A); NS1 gene (Influenza B)

S2R system

72

20

10–12-2021

Xpert Xpress SARS-CoV-2/ Flu/ RSV plus

NA extraction + qPCR

CE-IVD (FDA EUA)

GeneXpert IV (Cepheid)

N2, E, RdRP

IC; M1, PB2, PA gene (Influenza A); M1, NS1 gene (Influenza B); N gene (RSV)

S2R system

160

36

21–01-2022

Alinity m Resp-4-plex assay

NA extraction + qPCR

CE-IVD (FDA EUA)

Alinity m (Abbott)

N, RdRP

IC; M1 gene (Influenza A); NS1 gene (Influenza B); M gene (RSV)

S2R system

1040

140

31–03-2022

Xpert Xpress SARS-CoV-2 plus

NA extraction + qPCR

CE-IVD (FDA EUA)

GeneXpert IV (Cepheid)

N2, E, RdRP

IC

S2R system

192

30

08–09-2022

B. Overview of assays used for SARS-CoV-2 antibody detection

SARS-CoV-2 IgG

CMIA

CE-IVD (FDA EUA)

Architect i2000 SR (Abbott)

N

N/A

S2R System

4800

30

29–04-2020

SARS-CoV-2 IgG II Quant

CMIA

CE-IVD (FDA EUA)

Architect i2000 SR (Abbott)

S

N/A

S2R system

4800

30

07–04-2021

SARS-CoV-2 IgG

CMIA

CE-IVD (FDA EUA)

Alinity I (Abbott)

N

N/A

S2R system

4800

30

08–02-2023

SARS-CoV-2 IgG II Quant

CMIA

CE-IVD (FDA EUA)

Alinity i (Abbott)

S

N/A

S2R system

4800

30

08–02-2023

C. Overview of assays used for SARS-CoV-2 genotyping

SARS-CoV-2 WGS

NA extraction + WGS

RUO

Freedom EVO 150 (Tecan) + KingFisher Flex (TMO) + MinION/ GridION (ONT)

complete SARS-CoV-2 genome

N/A

Open system (batch)

480

2880

03–02-2020

MagMAX Viral/ Pathogen II Nucleic Acid Isolation kit + TaqMan SARS-CoV-2 Mutation Research Panel

NA extraction + qPCR

RUO

Freedom EVO 150 (Tecan) + KingFisher Flex (TMO) + QuantStudio 5 (TMO)

S gene: 417KNT, 452LRQ, 484EKQ, 501NYT, 681PHR,

N/A

Open system (batch)

768

210

07–01-2021

  1. CMIA (chemiluminescent microparticle immunoassay), EUA (emergency use authorization), FDA (Food and Drug Administration), IC (internal control), IVD (in vitro diagnostic medical device), LDT (lab-developed test), N/A (not applicable), NA (nucleic acid), ONT (Oxford Nanopore Technologies), RUO (Research Use Only), S2R (sample to result), TAT (turn-around-time), TMA (transcription-mediated amplification), TMO (Thermo Fisher Scientific), WGS (Whole Genome Sequencing). (*) Influenza A, influenza B, parainfluenza virus (PIV)-1, PIV-2, PIV-3, PIV-4, respiratory syncytial virus (RSV) A and B rhino-enterovirus, enterovirus D68, herpes simplex virus (HSV)-1, HSV-2, human metapneumovirus, adenovirus, bocavirus, parechovirus, human coronavirus (HCoV) 229E, HCoV HKU-1, HCoV NL63, HCoV OC43, MERS-CoV, SARS-CoV-1, cytomegalovirus (CMV), Mycoplasma pneumoniae, Coxiella burnetii, Chlamydia pneumoniae, Chlamydia psittaci, Streptococcus pneumoniae, Legionella pneumophila and Pneumocystis jirovecii.