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. 2023 May 16;11(3):e00055-23. doi: 10.1128/spectrum.00055-23

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
a

CI, confidence interval.