* The data is last updated on 10th February, 2023 from GISAID, based on 2379 variants from (14.9 million sequences) and 34 primer sets.
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| Prediction results retrieved after performance evaluation of WHO approved 34 primers to estimate their binding affinities for 2379 SARS-CoV-2 variants. |
| Lineage (WHO label)   | Target Gene | Primer Name | Primer Sequence | Primer Length | Primer GC Content (%) | Start Position | End Position | Primer Direction | ΔG (cal) | Primer first used |
|---|---|---|---|---|---|---|---|---|---|---|
| BA.2.12.1 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.1 (Omicron) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.5.6 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| AY.4.2 (Delta) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| B.1.160 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| BA.1 (Omicron) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| BA.2 (Omicron) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| BA.1.13.1 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| B.1.525 (Eta) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| B.1.1.7 (Alpha) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| BA.5.6 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| AY.4.2 (Delta) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| B.1.160 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.2 (Omicron) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| AY.43 (Delta) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| B.1.177.7 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| BA.2 (Omicron) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BF.10 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1967.31 | Thailand |
| B.1.1.7 (Alpha) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.5.5 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| AY.4.2 (Delta) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.2.3 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| B.1.160 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.1.15 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| AY.111 (Delta) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| AY.111 (Delta) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| B.1.177.7 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| AY.43 (Delta) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BF.10 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.2.12.1 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| B.1.525 (Eta) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| AY.43 (Delta) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -17515.9 | Japan |
| BA.2.3 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.2.12.1 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| B.1.525 (Eta) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| AY.100 (Delta) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.1.15 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| AY.100 (Delta) | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -19688.1 | Thailand |
| BF.10 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.5.5 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.1.13.1 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| BA.1.13.1 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| AY.100 (Delta) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.5.6 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| B.1.1.7 (Alpha) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| B.1.177.7 | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.1.15 | N | NIH-TH_N | CCCCACTGCGTTCTCCATT | 19 | 57.89 | 28376 | 28358 | R | -1202.65 | Thailand |
| BA.2.3 | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| AY.111 (Delta) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| BA.1 (Omicron) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| Lineage (WHO label) | Target Gene | Primer Name | Primer Sequence | Primer Length | Primer GC Content (%) | Start Position | End Position | Primer Direction | ΔG (cal) | Primer first used |