Does COVID-19 antibody serology testing correlate with disease severity? An analytical descriptive retrospective study.

A positive interpretation has been defined as a positive IgM or convalescent sera with 4 times more IgG titer than that of the acute phase.[ 10 ] We came up with a highly significant correlation of quantitative SARS COV-2 IgG between patients in the moderate or severe disease group compared to patients in the mild disease group with a P value of 0.002 which is consistent with a study done in China.[ 6 ] Antibodies increase during the later course of illness, and the median dura

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