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Table 1 Reference sera used to establish the specificity of COVID-19 IBs

From: IgG and IgM antibody formation to spike and nucleocapsid proteins in COVID-19 characterized by multiplex immunoblot assays

Source Characteristic Number of sera
IGeneX (human sera) Leftover, decoded, pre-pandemic sera received for tick-borne diseases testing 152
CAP and NYSHD Autoimmunity and Allergy (human sera) Anti-nuclear antibody positive 5
Anti-dsDNA antibody positive 2
Rheumatoid factor positive 12
Rheumatoid factor negative 7
Elevated IgG 13
Elevated IgE 4
Normal IgE 2
NYB Viral Infections (human sera) Epstein-Barr virus infection 7
Herpes simplex virus infection 4
Cytomegalovirus infection 4
Hepatitis C infection 5
HIV infection 7
NIH AIDS Reagent Program (human sera) HIV infection 3
BEI Resources (human sera) Respiratory syncytial virus infection 4
BEI Resources (goat antisera) Goat antisera to human influenza A virus proteins 27
Goat antisera to human influenza B virus proteins 5
  1. CAP College of American Pathologists; NYB New York Biologics; NYSH New York State Department of Health; NIH National Institutes of Health; BEI Biodefense and Emerging Infections Research Resources Repository; ds double stranded