* 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 (Omicron) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| AY.4.2 (Delta) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| AY.100 (Delta) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| BA.1.13.1 | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| B.1.525 (Eta) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| B.1.177.7 | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| B.1.525 (Eta) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| AY.4.2 (Delta) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| BA.1.15 | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| AY.100 (Delta) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| AY.100 (Delta) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| B.1.525 (Eta) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| BA.1.13.1 | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| B.1.177.7 | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| B.1.1.7 (Alpha) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.2 (Omicron) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.1.15 | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.1.13.1 | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| B.1.1.7 (Alpha) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| AY.4.2 (Delta) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| BA.1 (Omicron) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.1.15 | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| B.1.177.7 | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.1 (Omicron) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| BA.2.12.1 | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| BA.1 (Omicron) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| B.1.525 (Eta) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| B.1.1.7 (Alpha) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| B.1.1.7 (Alpha) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -13463.1 | France |
| BA.1.15 | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| B.1.177.7 | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.1 (Omicron) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| AY.100 (Delta) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.2 (Omicron) | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| BA.2.12.1 | N | Young-N | AGCACCATAGGGAAGTCC | 18 | 55.56 | 28648 | 28631 | R | -17571.6 | Singapore |
| BA.1.13.1 | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| B.1.1.7 (Alpha) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| BA.2.12.1 | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.1 (Omicron) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.2.12.1 | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| BA.2.12.1 | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| B.1.525 (Eta) | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| AY.4.2 (Delta) | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| BA.2 (Omicron) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| AY.4.2 (Delta) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.1.15 | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.1.13.1 | N | US-CDC-N-2 | GCGCGACATTCCGAAGAA | 18 | 55.56 | 29230 | 29213 | R | -19101.3 | US |
| BA.2 (Omicron) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| B.1.177.7 | ORF1ab | Pasteur-ORF1ab-1 | CTCCCTTTGTTGTGTTGT | 18 | 44.44 | 12797 | 12780 | R | -16534.9 | France |
| AY.100 (Delta) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| 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 |