Volume 24, Number 5—May 2018
Dispatch
External Quality Assessment for Zika Virus Molecular Diagnostic Testing, Brazil
Table 2
Viral RNA preparation of individual laboratories in an external quality assessment for Zika virus molecular diagnostic testing, Brazil
Lab ID | Extraction method | Extraction kit | Input volume, μL | Elution volume, μL | PCR template volume, μL |
---|---|---|---|---|---|
1 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN, São Paulo, Brazil) | 140 | 50 | 10 |
2 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN) | 200 | 200 | 5 |
3 | Automated | QIAsymphony DSP Virus/Pathogen Midi Kit (QIAGEN) | 200† | 60 | 8.8 |
4 | Automated | Maxwell 16 Viral Total Nucleic Acid Purification Kit (Promega, São Paulo, Brazil) | 140 | 50 | 5 |
5 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN) | 140 | 60 | 5 |
6 | Automated | QIAsymphony DSP Virus/Pathogen Kit (QIAGEN) | 200 | 100 | 5 |
7 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN) | 140 | 60 | 4.5 |
8 | Automated | Maxwell 16 Viral Total Nucleic Acid Purification Kit (Promega) | 150 | 50 | 5 |
9 | Manual | High Pure Viral Nucleic Acid Kit (Roche, São Paulo, Brazil) | 200 | 50 | 1 |
10 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN) | 160 | 50 | 5 |
11 | Automated | NucliSENS easyMAG Kit (bioMérieux, Rio de Janeiro, Brazil) | 200† | 50 | 10 |
12 | Automated | Magna Pure Compact Nucleic Acid Isolation Kit I—Large Volume (Roche) | 200‡ | 50 | 5 |
13 | Automated | Maxwell 16 Viral Total Nucleic Acid Purification Kit (Promega) | 100 | 50 | 5 |
14 | Manual | QIAamp Viral RNA Mini Kit (QIAGEN) | 140 | 60 | 5 |
15 | Automated | Abbot mSample Preparation System RNA (4 × 24 prep) (Abbott, São Paulo, Brazil) | 200 | 80 | 5 |
*All details are listed as declared by the participants. ID, identification.
†Laboratory that filled the 200 µL provided in this external quality assessment panel to higher standard extraction input volumes ranging from 500 µL to 1,200 µL using human plasma tested negative for arboviral infections beforehand.
‡Laboratory that filled the 200 µL provided in this external quality assessment panel to higher standard extraction input volumes ranging from 500 µL to 1,200 µL using sterile nuclease-free water.