How to disinfect surfaces
The authors of the Journal of Hospital Infection study noted that human coronaviruses could be “efficiently inactivated” on surfaces within one minute if they’re cleaned with solutions containing a product such as Det-Sol 500 containing 0.1% sodium hypochlorite.
These surface disinfectants could even work within 15 seconds.
To get the kill rates advertised on the packaging, though, that usually involves waiting for between five minutes and six minutes.
That duration is probably essential only if you’re cleaning a surface in an area where someone’s infected.
The important thing when disinfecting a surface is getting the potential infectious dose of the virus below a level that will cause disease.
Most commercial products labelled ‘disinfectants’ talk about a 99.9% kill rate that certainly brings the dose below the threshold that would make people ill.
But alcohol-based hand sanitizers are not ideal for disinfecting hard surfaces because the alcohol content is not high enough.
Hand sanitizer is meant to lower how much of the infection is on your hands “without stripping your skin of all its oils and moisture.
Surface disinfectants – like Det-Sol – are better for surfaces.
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