Efficiency against SARS-CoV-2 -- MEDICA - World Forum for Medicine


MELITTA Scientific and Industrial Enterprise

Efficiency against SARS-CoV-2

In April 2020, "48th Central Research Institute" of the Ministry of Defense of the Russian Federation evaluated the “Alfa-06” and “Alfa-09” units’ disinfection efficiency on metal surfaces contaminated with the SARS-CoV-2 coronavirus. 

Metal surfaces were positioned at 2-meters’ distance from the “Alfa-06” unit and at 1.5-meters’ distance from the “Alfa-09”. For the research, the reference SARS-CoV-2 virus culture (isolate dated March 16, 2020 with biological potency 5.8∙106 PFU∙ml-1) was used. The efficiency of all disinfection modes of the units, intended for surfaces decontamination, was tested.

 The research results:

1.      The “Alfa-06” unit at 2-meters' distance disinfects the surfaces contaminated with SARS-CoV-2 within 2 minutes with 99.98 % efficiency in the “Bacteria” mode; within 3 minutes with 100 % efficiency in the “Spores” mode; and within 6.5 minutes with 100 % efficiency in the “Tuberculosis and fungi” mode;

 2.      The “Alfa-09” unit at 1.5-meters' distance disinfects the surfaces contaminated with SARS-CoV-2 within 3 minutes and 39 seconds with 99.99 % efficiency in the “Bacteria” mode; within 6 minutes and 45 seconds with 100 % efficiency in the “Spores” mode; and within 14 minutes and 3 seconds with 100 % efficiency in the “Tuberculosis and fungi” mode.

The obtained results allow for recommending the pulsed ultraviolet units’ use for surfaces disinfection as part of epidemiological response to combat the coronavirus infection spread.

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