We found that pre-existing IgM and IgG antibodies cross-reactive with SARS-CoV-2 antigens on the rapid tests were present in 32% of pre-pandemic serum samples from our Zimbabwean study populations.

FDA approved Lyme kit - ID FISH Technology, Inc. Using both IgM and IgG tests allows for full diagnostic coverage of a disease. IgM antibodies are produced first and suggest a current or recent ...

Pemphigus herpetiformis, IgA pemphigus, paraneoplastic pemphigus and IgG/IgA pemphigus are rarer forms that present some clinical, histological and immunopathological characteristics that are ...