🇺🇳@COVID19Up: The delta variant of SARS-CoV-2, first detected in India, has now spread to more than 80 countries and continues to mutate as it spreads across the world, World Health Organization (WHO) officials warned on Wednesday.

The variant now makes up 10% of all new COVID-19 cases in the United States, up from 6% last week.

Studies have shown the variant is even more transmissible than other variants. WHO officials said some reports have found that it also causes more severe symptoms.

The WHO is also tracking recent reports of a “delta plus” variant.

“What I think this means is that there is an additional mutation that has been identified,” said Maria Van Kerkhove, the WHO’s COVID-19 technical lead.

The delta variant now makes up more than 60% of new cases in the United Kingdom.

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