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Volume 27, Number 2—February 2021
Synopsis

Characteristics and Timing of Initial Virus Shedding in Severe Acute Respiratory Syndrome Coronavirus 2, Utah, USA

Nathaniel M. LewisComments to Author , Lindsey M. Duca, Perrine Marcenac, Elizabeth A. Dietrich, Christopher J. Gregory, Victoria L. Fields, Michelle M. Banks, Jared R. Rispens, Aron Hall, Jennifer L. Harcourt, Azaibi Tamin, Sarah Willardson, Tair Kiphibane, Kimberly Christensen, Angela C. Dunn, Jacqueline E. Tate, Scott Nabity, Almea M. Matanock, and Hannah L. Kirking
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (N.M. Lewis, L.M. Duca, P. Marcenac, E.A. Dietrich, C.J. Gregory, V.L. Fields, M.M. Banks, J.R. Rispens, A. Hall, J.L. Harcourt, A. Tamin, J.E. Tate, S. Nabity, A.M. Matanock, H.L. Kirking); Utah Department of Health, Salt Lake City, Utah, USA (N.M. Lewis, K. Christensen, A.C. Dunn); Davis County Health Department, Clearfield, Utah, USA (S. Willardson); Salt Lake County Health Department, Salt Lake City (T. Kiphibane)

Main Article

Table

Characteristics and symptoms of index case-patients and household contacts testing positive or negative for severe acute respiratory syndrome coronavirus 2 by real-time reverse transcription PCR in study of initial virus shedding in SARS-CoV-2, Utah, USA, April–May 2020*

Characteristic No. (%)
Index case-patients, n = 5 SARS-CoV-2–positive contacts, n = 7 SARS-CoV-2–negative contacts, n = 8
Age group, y
<18 1 (20.0) 4 (57.1) 2 (25.0)
18–49 4 (80.0) 3 (42.9) 3 (37.5)
50–64 0 0 1 (12.5)
>65
0
0
2 (25.0)
Sex
M 4 (80.0) 0 3 (37.5)
F
1 (20.0)
7 (100.0)
5 (62.5)
Race or ethnicity
Non-Hispanic white 5 (100.0) 7 (100.0) 7 (87.5)
Hispanic
0
0
1 (12.5)
Underlying medical conditions
Any underlying condition 2 (40.0) 3 (42.9) 6 (75.0)
Any chronic lung disease 1 (20.0) 0 2 (25.0)
Diabetes mellitus 0 1 (14.3) 0
Any cardiovascular disease 0 0 5 (62.5)
Any chronic renal disease 0 0 1 (12.5)
Any immunocompromised condition 1 (20.0) 0 1 (12.5)
Other chronic condition 1 (20.0) 2 (28.6) 1 (12.5)
No underlying medical condition
3 (60.0)
4 (57.1)
2 (25.0)
Smoking or vaping status
Former history of smoking or vaping
1 (20.0)
0
1 (12.5)
Interactions with index case-patient
Intimate physical contact N/A 6 (85.7) 2 (25.0)
Close contact only N/A 1 (14.3) 4 (50.0)
No interaction reported
N/A
0
2 (25.0)
Symptoms
Any symptom
5 (100.0)
7 (100.0)
7 (87.5)
CSTE categories
Classic† 4 (80.0) 5 (71.4) 2 (25.0)
Nonclassic‡ 4 (80.0) 7 (100.0) 5 (62.5)
Asyndromic§
5 (100.0)
7 (100.0)
7 (87.5)
Other categories
Neurologic¶ 5 (100.0) 7 (100.0) 4 (50.0)
Lower respiratory# 4 (80.0) 6 (85.7) 2 (25.0)
Upper respiratory** 4 (80.0) 6 (85.7) 7 (87.5)
Constitutional†† 4 (80.0) 7 (100.0) 5 (62.5)
Gastrointestinal‡‡ 3 (60.0) 2 (28.6) 3 (37.5)

*CSTE, Council of State and Territorial Epidemiologists; SARS-CoV-2, severe acute respiratory syndrome coronavirus disease 2.
†Cough, shortness of breath, or discomfort breathing. 
‡>2 of fever, myalgia, headache, chills, loss of taste or smell, or sore throat.
§Any symptoms other than classic or nonclassic: fatigue, runny nose, nasal congestion, chest pain, wheezing, nausea or vomiting, or diarrhea.
¶Loss of taste (partial or complete), loss of smell (partial or complete), or headache.
#Discomfort while breathing, wheezing, shortness of breath, chest pain, or cough (dry or productive).
**Sore throat, nasal congestion, or runny nose.
††Chills, fever (measured or subjective), fatigue, or myalgia.
‡‡Abdominal pain, nausea or vomiting, or diarrhea.

Main Article

Page created: November 23, 2020
Page updated: January 23, 2021
Page reviewed: January 23, 2021
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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