A study carried out by Microbiologists at St George’s Hospital, using test data from South West London Pathology (SWLP) laboratories, shows that patients with laboratory evidence of Covid-19 in the first wave of the pandemic were 94% protected against reinfection in the second wave.
|Category||Immunology and PRU|
Possible clinical association – Systemic sclerosis. Specimens showing a positive ANA will be tested for antibodies to appropriate specific antigens; homogeneous patterns will typically be tested for antibodies to double stranded DNA and speckled patterns will typically be tested for antibodies to the extractable nuclear antigens (RNP, Sm, SSA, and SSB). Other antigen specificities will be tested depending upon the clinical details or if specifically requested.
Reference range: negative <0.95, equivocal 0.95-1.0, positive >1.0
This assay can be requested directly, or may be added on if indicated by the antinuclear antibody (Hep2) result.
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