Long Covid: rogue antibody discovery raises hope of blood test

Test could be available from GPs within six months, as scientists warn of a lot of damage to a lot of lives'

Scientists have raised hopes of a blood test for long Covid after discovering distinctive patterns of rogue antibodies in patients whose symptoms persisted for months.

Researchers at Imperial College London identified so-called autoantibodies" in long Covid patients that were absent in people who recovered quickly from the virus, or who had not tested positive for the disease.