New Covid strain ‘less likely to cause symptoms’ starting to spread
New Covid strain ‘less likely to cause symptoms’ starting to spread
A Delta subvariant now accounts for 12% of UK cases (Picture: PA)
A new sub-variant of Delta Covid that now accounts for 12% of UK cases may be less likely to cause symptomatic disease, scientists have found.
The mutation — known as AY.4.2. or Delta Plus – first emerged in the country over the summer and a study published last week found its prevalence has doubled in the last two months.
But,…