Table 3.

Ct values of first nucleic acid detection by vaccination status.

Vaccination status	Ct value ≥30			Ct value＜30		OR	95 %CI
	N	%		N	%
Unvaccinated（n = 11）	1	9.09		10	90.91	Ref	–
Fully vaccinated inactivated vaccine(n = 15)	2	13.33		13	86.67	0.65	0.05–8.23
Fully vaccinated Ad5 vaccine (n = 42)	7	16.67		35	83.33	0.50	0.05–4.56
Total (n = 68)	10	14.71		58	85.29