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Table 1 Characteristics of 212 index cases diagnosed at the University of Texas at Austin, October 1, 2020–April 15, 2021

From: SARS-CoV-2 viral load is associated with risk of transmission to household and community contacts

 

N (%) or median (range)

Age, years

21 (18–58)

Sex

 

 Female

117 (55.5%)

Viral load (log10 copies per mL)

5.6 (1.8–10.4)

 < 5 log10 copies per mL

75 (35.4%)

 5–8 log10 copies per mL

129 (60.8%)

 > 8 log10 copies per mL

8 (3.8%)

Comorbidity

 

 Yes

29 (13.7%)

  Asthma

21 (72.4%)

  Current smoker

3 (10.3%)

  Chronic kidney disease

2 (6.9%)

  Diabetes

1 (3.4%)

  Severe obesity (BMI > 35)

1 (3.4%)

  Immunocompromised

1 (3.4%)

  Hypertension

1 (3.4%)

Symptoms reported at time of investigation

 Yes

167 (78.8%)

  Congestion or runny nose*

107 (64.1%)

  Fatigue*

72 (43.1%)

  Cough*

72 (43.1%)

  Headache*

72 (43.1%)

  Sore throat*

68 (40.7%)

  Muscle ache*

40 (24.0%)

  Loss of taste or smell*

36 (21.6%)

Test relative to symptom onset (N = 167)

 Tested prior to symptom onset

19 (11.4%)

 Tested on day of onset

43 (25.7%)

 Tested after symptom onset

105 (62.9%)

University affiliation

 

 Student

200 (94.4%)

 Staff or Faculty

12 (5.6%)

  1. *Symptom reported by at least 20% of symptomatic cases (N = 167)