D Shyu, J Dorroh, C Holtmeyer, D Ritter… - Missouri …, 2020 - ncbi.nlm.nih.gov
… Median seroconversion time for total antibody, IgM, and IgG were 11, 12, and 14 days
respectively, observed in >98.8% of COVID-19 patients with a rapid increase after six days from …