US ‘not of the woods yet’, says CDC chief, as Delta variant drives Covid surge – video
The US is at another ‘pivotal moment’ in the pandemic as the Delta variant drives a big rise in new cases, said CDC director, Rochelle Walensky, who warned ‘we are not out of the woods yet’. She added: ‘The Delta variant is more aggressive and much more transmissible than previously circulating strains,’ she said. ‘It is one of the most infectious respiratory viruses that we know of and that I have seen in my 20-year career.’
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