In this video we want to show you some study results on the SARS-CoV Virus carried out by US scientists. The amount of viable viruses on surfaces at 50% humidity level is dramatically lower than at 20% or 80% – so the right humidity level (we recommend between 40 – 60%) can reduce the number of viable viruses. Furthermore, viruses attach to particles which are heavier in humid conditions – this means that in a dry environment, those particles will remain airborne much longer.