Table 1.

Epidemiological and clinical characteristics of the family-clustered cases with SARS-CoV-2 infection.

Characteristics	Case 1	Case 2	Case 3	Case 4
Age	32 years	53 years	32 years	11 months
Gender	Male	Female	Female	Female
Symptoms at admission
Fever	√	√	×	×
Chills	×	×	×	×
Cough	√	√	×	×
Sore throat	×	×	×	×
Rhinorrhea	×	×	×	×
Diarrhea	×	×	×	×
Chest CT scan
Mottling and ground-glass opacity	√	√	×	×
Blood analysis
Leukocytes (×109/L; normal range 5–12)	4.85	6.46	7.00	11.35
Neutrophils (×109/L; normal range 1.8–6.3)	3.07	4.74	4.56	1.33
Lymphocytes (×109/L; normal range 1.1–3.2)	1.37	1.30	1.88	9.27
CRP (mg/L; normal range 0–10)	10.90	22.70	0.50	3.00
Antibody of respiratory pathogen test
Influenza A	×	×	×	×
Influenza B	×	×	×	×
Parainfluenza	×	×	×	×
Respiratory syncytial virus	×	×	×	×
Adenovirus	×	×	×	×
Mycoplasma pneumoniae	×	×	×	×
Chlamydia pneumoniae	×	×	×	×
Legionella pneumophila	×	×	×	×

√, with; ×, without; CRP, C-reactive protein.