A woman who died from COVID-19 was the first recorded case of contracting 2 variants of coronavirus at the same time, researchers say

• A 90-year-old Belgian woman died in March after contracting two coronavirus strains at the same time.

• The woman, who had both the UK and South African variant, died five days after getting sick.

• Researchers say the case is the first of its kind, but warn there could be more.

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A 90-year-old Belgian woman who died from COVID-19 in…