XFG 'Stratus' COVID-19 variant spreading fast: One unique symptom
A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this Omicron subvariant. Stratus has unique mutations but causes mild symptoms like scratchy throat and fatigue. Current vaccines still protect against severe illness. Scientists are watching Stratus for its immune evasion capabilities.
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