The Single-Nucleotide Polymorphism (SNP) Validity to Detect Omicron Variants

Table 2

Characteristics of the subjects.

Characteristics	Subjects (N = 140); N (%)
Gender
Male	57 (40.7)
Female	83 (59.3)
Age (years old)
0–16	20 (14.3)
17–33	70 (50.0)
34–50	29 (20.7)
51–67	16 (11.4)
≥68	5 (3.6)
Symptom
Asymptomatic	7 (5.0)
Mild symptom	129 (92.1)
Moderate symptom	2 (1.4)
Severe symptom	2 (1.4)
SNP genotyping Q493R
Positive	21 (15.0)
Negative	119 (85.0)
S-gene target failure (SGTF)
Positive	127 (90.7)
Negative	13 (9.3)
SNP criterion results
No omicron (negative SGTF, negative Q493)	1 (0.7)
Omicron BA.1 (positive SGTF, positive Q493R)	9 (6.4)
Omicron BA.2 (negative SGTF, positive Q493R)	12 (8.6)
Omicron BA.4/5 (positive SGTF, negative Q493R)	118 (84.3)
WGS criterion results
Omicron BA.1	10 (7.1)
Omicron BA.2	11 (7.9)
Omicron BA.4/5	119 (85.0)