Table 1.

Infections detected on CRP-PCR tests. N/A, not applicable.

	Prior SARS-CoV-2 infection (n = 501)	Prior COVID-19 vaccine/No SARS-CoV-2 infection (n = 1565)	No prior SARS-CoV-2 exposure (n = 2869)	P value*
Positive CRP-PCR †	51 (10.2)	226 (14.4)	340 (11.9)	0.0113
eCoV	5 (1.0)	45 (2.9)	53 (1.8)	0.0145
Alpha-eCoV ‡	0 (0.0)	13 (0.8)	11 (0.4)	0.0316
Beta-eCoV §	5 (1.0)	32 (2.0)	42 (1.5)	0.1777
eCoV–full vaccine ¶	3 of 209 (1.4)#	44 of 1463 (3.0)	N/A	0.2638††
eCoV–partial vaccine **	0 of 17 (0.0)	1 of 102 (1.0)	N/A	0.9999††
eCoV–no vaccine	2 of 275 (0.7)	N/A	53 of 2869 (1.8)	0.2301††
Non-CoV	46 (9.2)	181 (11.6)	287 (10.0)	0.1688
Rhinovirus/enterovirus	31 (6.2)	127 (8.1)	251 (8.7)	0.1518

^*Chi-square test unless noted otherwise.

^†For 1 of the 20 non–SARS-CoV-2 respiratory pathogens detected.

^‡Includes HCoV-229E and HCoV-NL63.

^§Includes HCoV-OC43 and HCoV-HKU-1.

^¶Received at least two doses of the Pfizer BioNTech BNT162b2 or Moderna mRNA-1273 or one dose of the Janssen/Johnson & Johnson Ad26.COV2.S COVID-19 vaccine a minimum of 14 days before the CRP-PCR test.

^#Two of 124 (1.6%),Moderna mRNA-1273; 1 of 66 (1.5%), Pfizer BioNTech BNT162b2; and 0 of 19 (0%), Janssen/Johnson & Johnson Ad26.COV2.S.

^**Received only one dose of the Pfizer BioNTech BNT162b2 (n = 43) or Moderna mRNA-1273 COVID-19 (n = 76) vaccine.

^††Fisher’s exact test.