Symptom-free 'super spreaders' carry as much Covid-19 as patients left fighting for their lives, according to new research. They have the same amount of coronavirus in their noses and throats, say scientists, endangering the lives of those around them.
One-in-five people infected show no signs of the potentially deadly disease, the study revealed. The pandemic is being fuelled by those who have no idea they have been infected, explained lead author Professor Sung-Han Kim.
He said: "Our data add further support to the general public use of face masks - regardless of the presence of symptoms. "They suggest the scope of testing should be expanded to include asymptomatic individuals in high-risk settings - such as nursing homes or healthcare
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