Table 1.

Summary of characteristics for the cluster cases with COVID-19.

Characteristics	Case 1	Case 2	Case 3*	Case 4	Case 5	Case 6	Case 7
Relationship	Son-in-law of Cases 2 and 3	Mother-in-law of Case 1	Father-in-law of Case 1	Co-diner of Case 3	Daughter of Case 1	Co-diner of Case 3	Co-diner of Case 3
Sex	Male	Female	Male	Male	Female	Male	Female
Age	29 years	51 years	54 years	41 years	4 months	57 years	41 years
Occupation	Office worker	Cloth merchant	Cloth merchant	Company manager	NA	Government employee	Office worker
Medical history	N	Gastric cancer surgery	N	N	N	N	N
Wuhan residence history	N	Y	Y	N	N	N	N
Clinical symptoms	Cough; fever; expectoration	Dry and itchy throat; fever; cough; blurred vision	Fever; cough	Fever; chills; fatigue; leg pain; cough	Fever; diarrhea	Fever; cough; expectoration	Fever; chills
Body temperature (°C)	38.1	38.5	37.8	38.0	37.5	37.8	38.0
Leukocyte count (10⁹/L) (normal range 3.9–9.9)	7.8	1.3 (↓)	2.9(↓)	5.4	7.5	5.4	8.9
Lymphocyte count (10⁹/L) (normal range 1.1–3.6)	0.8(↓)	0.6 (↓)	0.7 (↓)	7.6 (↑)	3.0	1.0 (↓)	0.7 (↓)
Radiological changes of lung	N	N	N	Y	N	Y	Y
Date of symptom onset	2020/1/24	2020/1/25	2020/1/22	2020/1/26	2020/1/29	2020/1/29	2020/2/2
Test samples	Throat swab	Throat swab	Throat swab	Throat swab	Throat swab	Sputum	Throat swab
Date of nucleic acid test positive	2020/1/26	2020/1/27	2020/1/28	2020/1/28	2020/1/29	2020/2/3	2020/2/3
Severity of pneumonia	Severe	Common	Common	Common	Mild	Common	Common
Outcome	Cure	Cure	Cure	Cure	Cure	Cure	Cure