underlined the precautions people need to take in order to avoid getting infected, primarily wearing masks and maintaining social distancing.
“People have been focused on poorly ventilated spaces and thinking about airborne transmission over metres or across a room. I’m not saying that doesn’t happen, but I think still the greatest risk of exposure is when you’re close to someone,”“When you move further away, not only is the aerosol diluted down, there’s also less infectious virus because the virus has lost infectivity [as a result of time],” he added.
The scientists who conducted the study experimented with different temperatures and levels of humidity similar to in outside air, and then placed droplets containing the virus on human cells in Petri dishes to see whether the virus would grow. As time went on, the virus continued to lose its infectivity and within 10 minutes the “majority” of the virus was inactivated.In situations where humidity levels were higher, however, such as those similar to a shower or steam room, the virus stayed stable for a longer time.
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