THE US will need another full-scale lockdown and masks will have to be worn for YEARS to stop coronavirus, an expert has warned.
Facial coverings will become part of the "new normal", according to Eric Toner, a senior scholar at the John Hopkins Center for Health Security.
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"I think that mask wearing and some degree of social distancing, we will be living with - hopefully living with happily - for several years," Toner said.
"It's actually pretty straightforward. If we cover our faces and both you and anyone you're interacting with are wearing a mask, the risk of transmission goes way down," he told .
"Being outside, having distance between you and other people reduces the risk of transmission dramatically."
Over three million people have tested positive for coronavirus in the US with 42 states witnessing a rise in new Covid-19 infections, according to a Reuters analysis.
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were recorded on Tuesday, reported.
, with more than 55,000 being reported nationwide last Thursday.