• Danlei Mou, Huahua Feng, Ruiyuan Cao, Xing Weng, Lizhe Zhao, Lingling Yang, Ronghua Jin, and Weijun Chen.
• Beijing Youan Hospital, Capital Medical University, Beijing, PR China.
• J. Med. Microbiol. 2021 Mar 1; 70 (3).

AbstractIn this work, we studied the profile of IgM and IgG antibody responses to SARS-CoV-2 in 32 patients with COVID-19 from day 1 to day 24. IgM remained measurable for a much shorter period than IgG, suggesting that IgG antibody may represent the primary immune response.

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