Table 3.

rRT-PCR detection of SARS-CoV-2 N-gene sequences in air sample cultures.

	Air sampling interval
	1-1	1-2	1-3	2-1	2-2	2-3
	LLCb Veroc	LLC Vero	LLC Vero	LLC Vero	LLC Vero	LLC Vero
4 dpia	38.1 38.4	NDd ND	ND ND	ND ND	ND ND	ND ND
7 dpi	35.3 35.9	ND ND	39.1 40.2	37.3 38.8	ND ND	ND ND
10 dpi	31.5 32.2	ND ND	33.7 34.8	32.8 33.2	ND ND	36.4 37.2

^adpi, days post-inoculation with material collected by air sampler.

^bLLC, LLC-MK2 cell culture.

^cVero, Vero E6 cell culture.

^dND, Not detected.