Efficacy of hand rubs with a low alcohol concentration listed as effective by a national hospital hygiene society in Europe

Table 2 Activity of three hand disinfectants against adenovirus type 5 and poliovirus type 1 according to EN 14476 with various types of organic load and various product concentrations in the test

Product	Active ingredient(s) (concentration; all w/w)	Test virus	Product concentration in test	Organic load	Mean log₁₀-reduction of viral infectivity
Product	Active ingredient(s) (concentration; all w/w)	Test virus	Product concentration in test	Organic load	30 s	60 s	120 s	180 s
Product 1	Ethanol (70%)	adenovirus	80%	PBS	0.13	0.63	2.75	n.a.
			80%	PBS	0.88	1.75	3.25	≥ 4.25
			80%	PBS	1.13	2.75	≥ 4.25	≥ 5.00
			80%	clean conditions	1.63	3.25	≥ 4.63	n.a.
			90%	none	1.25	2.13	≥ 4.00	n.a.
		poliovirus	80%	PBS	0	0.13	n.a.	0.13
			80%	PBS	0.13	0.25	0	0
			80%	PBS	0.37	0.37	0.87	0.87
			80%	clean conditions	0	0.12	n.a.	0
			90%	none	0	0	n.a.	0.87
Product 2	Ethanol (70%)	adenovirus	80%	PBS	≥ 5.13	≥ 5.13	≥ 5.13	n.a.
			80%	clean conditions	≥ 5.38	≥ 5.38	≥ 5.38	n.a.
			90%	none	≥ 5.63	≥ 5.63	≥ 5.63	n.a.
		poliovirus	80%	PBS	0.13	0	n.a.	1.25
			80%	clean conditions	0	0.12	n.a.	0.75
			90%	none	0	1.75	n.a.	3.25
Product 3	Ethanol (60%), Isopropanol (15%)	adenovirus	80%	PBS	0	0.37	0.62	n.a.
		adenovirus	97%	clean conditions	0.62	1.50	≥ 3.50	n.a.
		poliovirus	80%	PBS	n.a.	0.38	0.50	0.38
		poliovirus	97%	clean conditions	n.a.	0	1.75	2.63

ISSN: 2047-2994