Investigating Viral Inoculation and Recovery from Medical Masks

Table 2

Viral recovery from standard (“control”) type IIR Mask vs. photosensitizer-treated antiviral (AV) type IIR mask, with 4 repeated inoculations at 2 hour intervals and an 8 hour total experiment duration.

Mask	Replicate	TCID50/mask	Average TCID50/mask	% reduction of antiviral mask	SD	Significance
Control,; T = 0	1	8.43 × 10^6	1.03 × 10^7	99.99	±1.60 × 10^6	p < 0.001
	2	1.12 × 10^7
	3	1.12 × 10^7
Control,; T = 8 h	1	1.50 × 10^6	1.67 × 10^6	99.96	±2.89 × 10^5	p < 0.001
	2	2.00 × 10^6
	3	1.50 × 10^6
Antiviral,; T = 8 h	1	≤6.32 × 10^2	≤6.32 × 10^2
	2	≤6.32 × 10^2
	3	≤6.32 × 10^2