A Small Surge in Incidence of SARS-CoV-2 Omicron Variant in the “Dynamic Zero” Period

Table 1

Demographic and epidemiological characteristics of cases with SARS-CoV-2 Omicron variant in Beichen district, Tianjin, China.

Characteristics	No. (%) of patients
Sample size	108
Median age	38
Symptom profile
Symptomatic	73 (67.6)
Asymptomatic	35 (32.4)
Age group
<15 years	10 (9.3)
15–29	16 (14.8)
30–44	37 (34.3)
45–59	39 (36.1)
60+	6 (5.6)
Gender
Male	53 (49.1)
Female	55 (50.9)
SARS-CoV-2 vaccination status
Unvaccinated	5 (4.6)
One dose	8 (7.4)
Two doses	52 (48.1)
Booster injection	43 (39.8)
Symptoms
Fever	34 (31.5)
Sore throat	29 (26.9)
Cough/sputum	21 (19.4)
Myalgia	8 (7.4)
Running nose	6 (5.6)
Headache	4 (3.7)
Chill	2 (1.9)
Diarrhea	2 (1.9)
Case detection method
High- and medium-risk area screening	20 (18.6)
Testing of close contact	63 (58.3)
Community screening	25 (23.1)