Page 64 - JSOM Fall 2021

TABLE 1 Demographics and Symptoms FIGURE 2 Structure of SARS-CoV-2.
Overall,
Characteristic N = 264
Age, y* 26 (23, 32)
Male sex (%) 164 (55)
Race, No. (%)
Caucasian 154 (58)
Other 59 (22)
African American 12 (4.5)
Asian 29 (11)
Native Hawaiian or Pacific Islander 6 (2.3)
Native American 4 (1.5) FIGURE 3 ECLIA.
Ethnicity, No. (%)
Not Hispanic or Latino 205 (78)
Hispanic or Latino 39 (15)
Other 20 (8)
Housing situation, No. (%)
Barracks 51 (19)
On- or off-post housing 213 (81)
Medical history, No. (%)
Body mass index* 27 (24, 29) (1) 1st incubation (20mL of sample) combined with biotinylated
Hypertension 13 (5) SARS-CoV-2 antigen (green) and sample anti-SARS-CoV-2 (red)
with a ruthenium complex (blue).
Diabetes 1 (0.4) (2) 2nd incubation: streptavidin-coated microparticles (purple) added,
Asthma 2 (0.8) which binds the biotinylated portion of antigen.
Tobacco use or vape 106 (40) (3) Streptavidin binds electrode, and when voltage is applied, the ru-
Occupation, No. (%) thenium complex will emit chemiluminescent emission, which is
measured.
Combat arms 146 (55) Image Credit:
®
Medical 34 (13) “Elecsys Anti-SARS-CoV-2 Factsheet”. Roche Diagnostics. 2020,
Combat support or combat service support 84 (32) https://diagnostics.roche.com/content/dam/diagnostics/se/pdfer-p%
C3%A5-webbplatsen-redigerade/OWP-Central%20lab-Pdf-Elecsys
SARS-CoV-2 antibody positive, No. (%) 1 (0.4) -Anti-SARS-CoV-2-factsheet-PM2020-00117.pdf
SARS-CoV-2 NAAT tested, positive/tested 1 / 14
Quarantined as COVID-19 trace contact, FIGURE 4 Quarantine and respiratory quarters of sample.
No. (%) 31 (12)
Respiratory quarters, No. (%) 48 (18)
Symptoms since January 2020?, No. (%)
Fever or chills 51 (19)
Fatigue 68 (26)
Muscle or body aches (myalgias) 44 (17)
Sore throat 83 (31)
Cough 91 (35)
Runny nose (rhinorrhea) 90 (34)
Shortness of breath (dyspnea) 36 (14)
Headache 93 (35)
Nausea or vomiting 28 (11)
Diarrhea 55 (21)
New loss of taste or smell 7 (3)
*Presented as median (25th, 75th percentile).

t-tests. There were insignificant differences in Native American ageusia. She tested positive for COVID-19 on 29 March 2020
race and in combat arms MOS proportions, when compar- and tested positive for the SARS-CoV-2 antibody on 29 June
ing the sample to the brigade. The sample had proportionally 2020. She was a nonsmoker, and had no comorbid conditions
more females (38% versus 11%) and participants classified of hypertension, diabetes, or asthma. Only 14 (5%) of the co-
as medical MOS (13% versus 6%). Compared to the brigade, hort were tested via SARS-CoV-2 NAAT testing.
there were proportionally fewer African Americans in the
study (4.5% versus 16.5%). A total of 71 of 264 (27%) participants had been on respira-
tory quarters and/or quarantined as a trace contact. A total
One (0.4%) of 264 participants tested positive for the SARS- of 23 (8.7%) were quarantined only, 40 (15.2%) were on re-
CoV-2 antibody. The participant testing positive had NAAT spiratory quarters only, and eight (3%) participants had been
testing confirmed COVID-19 with symptoms of fatigue, myal- on both respiratory quarters and quarantined at two different
gias, sore throat, rhinorrhea, dyspnea, headache, and anosmia/ times. The proportion of Soldiers quarantined accounts for

62 | JSOM Volume 21, Edition 3 / Fall 2021