Five of the 10 globally circulating variants were “highly resistant to neutralisation” even after volunteers had received both doses of the Moderna and Pfizer vaccines, researchers reported.
Surveys suggest coronavirus has infected so many people, that in some countries, immunity to the deadly virus has been developed. But experts remain sceptical.
Brazilian officials said up to 29 inmates blamed for killing sprees in several prisons will be transferred to stricter federal facilities, after two days of unrest left 55 prisoners dead and authorities rushing to prevent the violence from spreading.
Clashes between prisoners killed 15 people at a jail in Amazonas state in northern Brazil, the regional prison authority said.
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