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A Japanese supercomputer showed that humidity can have a large effect on the dispersion of virus particles, pointing to heightened coronavirus contagion risks in dry, indoor conditions during the winter months.
The researchers used the Fugaku supercomputer to model the emission and flow of virus-like particles from infected people in a variety of indoor environments.
Air humidity of lower than 30 per cent resulted in more than double the amount of aerosolised particles compared to levels of 60pc or higher, the simulations showed.
