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Volume 27, Number 4—April 2021
Dispatch

SARS-CoV-2 Seropositivity among US Marine Recruits Attending Basic Training, United States, Spring–Fall 2020

Andrew G. LetiziaComments to Author , Yongchao Ge, Carl W. Goforth, Dawn L. Weir, Rhonda Lizewski, Stephen Lizewski, Alessandra Soares-Schanoski, Sindhu Vangeti, Nada Marjanovic, Stuart C. Sealfon, and Irene RamosComments to Author 
Author affiliations: Naval Medical Research Center, Silver Spring, Maryland, USA (A.G. Letizia, C.W. Goforth, D.L. Weir); Icahn School of Medicine at Mount Sinai, New York, New York, USA (Y. Ge, A. Soares-Schanoski, S. Vangeti, N. Marjanovic, S.C. Sealfon, I. Ramos); Naval Medical Research Unit 6, Lima, Peru (R. Lizewski, S. Lizewski)

Main Article

Table 1

Demographics of 3,196 COVID-19 Health Action Response for Marines study participants with valid IgG data, United States, May 11–September 7, 2020*

Characteristic Total
Age, y, mean (SD)
 19.1 (1.9)
Sex
M 2,939 (92.0)
F
 257 (8.0)
Race or ethnicity
Non-Hispanic White 1,817 (56.9)
Non-Hispanic Black 414 (13.0)
Non-Hispanic other† 197 (6.2)
Hispanic
 768 (24.0)
IgG
Negative 2,907 (91.0)
Positive
 289 (9.0)
COVID-19 by PCR
Negative 3,054 (95.6)
Positive 28 (0.9)
Other‡
 114 (3.6)
State group§
Early spring 701 (21.9)
Late spring 1,389 (43.5)
Summer 994 (31.1)
Other‡
 112 (3.5)
Resides in a country other than the United States
No 3,084 (96.5)
Yes 23 (0.7)
Other‡
 89 (2.8)
Born in a country other than the United States
No 2,928 (91.6)
Yes 231 (7.2)
Other‡ 37 (1.2)

*Values are no. (%) except as indicated. COVID-19, coronavirus disease. 
†Non-Hispanic other also includes participants with missing values.
‡Inconclusive assay or the participant left question blank or answered by marking unknown. 
§Defined in Figure 2, panel A, and the Appendix (https://wwwnc.cdc.gov/EID/article/27/4/20-4732-App1.pdf).

Main Article

Page created: January 26, 2021
Page updated: March 18, 2021
Page reviewed: March 18, 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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