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CDC: Delta variant now 10% of US COVID-19 cases
By Stephanie Soucheray
Boris Johnson delays end of England's coronavirus restrictions as delta variant cases climb
By Paul Schemm, Adam Taylor & Jennifer Hassan
Delta Plus variant: What is Delta Plus Covid variant | India News
Covid: Lockdown easing in England to be delayed by four weeks
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Boris Johnson extends current lockdown rules in England due to concerns over delta Covid variant
By Elliot Smith
Delta, now a 'variant of concern,' accounts for 10 percent of new U.S. cases, CDC says
By Erika Edwards & Sara G. Miller
Headache and runny nose linked to Delta variant
By Michelle Roberts