The World Health Organisation has warned that the XFG variant is now set to be the biggest current threat.
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The Stratus strain has become known for its one unique symptom
The Covid strain, formally known as XFG and nicknamed Stratus, is said to have one unique symptom that helps identify which variant..
The Covid strain, formally known as XFG and nicknamed Stratus, is said to have one unique symptom - and is spreading rapidly in the..
