NEGATIVE: The patient did not develop an immune response or the IgG / IgM level is below the detection limit
IgM POSITIVE: Suspected ongoing Covid-19 infection
IgM and IgG POSITIVE: Suspected ongoing Covid-19 infection
IgG POSITIVE: Possible state of previous disease
INVALID: The red control band (C) does not appear. An invalid result may be due to incorrect procedural techniques or loss of test functionality. Repeat the test.