Coronavirus: Repeated coughing ‘degrades mask efficiency’

People in England must wear face coverings on public transport. More comfortable than masks, they are intended to act as a barrier against infectious droplets.

Hospital staff, however, must wear a medical-grade mask. This extra protection is also recommended for the elderly, people with pre-existing health conditions, and coronavirus patients and their carers.

Despite these guidelines, scientists from the University of Nicosia in Cyprus felt there was little evidence proving masks’ effectiveness.

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