TABLE 2.
Interpretation criteria for results of the multiplex HRM methods (assays 1 to 4)
Assay | Mutation site |
Tm (°C) value range (95% CIa), base, for SARS-CoV-2 variant strain: |
|||
---|---|---|---|---|---|
Delta | Omicron-BA.1 | Omicron-BA.2 | Omicron-BA.5 | ||
1 | N | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 |
R158G | 74.8–75.0, G | 74.3–74.4, A | 74.3–74.4, A | 74.3–74.4, A | |
G142D | 79.8–79.9, G | 79.3–79.4, A | 79.3–79.4, A | 79.3–79.4, A | |
2 | N | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 |
Y505H | 79.1–79.2, T | 79.6–79.8, G | 79.6–79.8, G | 79.6–79.8, G | |
V213G | 74.5–74.6, T | 74.5–74.6, T | 75.1–75.2, G | 74.5–74.6, T | |
3 | N | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 |
S413R | 73.8–73.9, A | 73.8–73.9, A | 74.6–74.9, G | 74.6–74.9, G | |
G446S | 78.8–78.9, G | 78.1–78.2, T | 78.8–78.9, G | 78.1–78.2, T | |
4 | N | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 | 83.1–83.9 |
F486V | 74.0–74.2, T | 74.0–74.2, T | 74.0–74.2, T | 74.8–80.0, G | |
S704L | 78.8–79.0, C | 78.8–79.0, C | 78.8–79.0, C | 78.8–79.0, C |
CI, confidence interval.