The Trend of IgG and IgM Antibodies During 6-Month Period After the Disease Episode in COVID-19 Patients.

Unlabelled: SARS-CoV-2 is a newly emerged coronavirus that has been widely transmitted since late 2019. It has caused a pandemic and infected roughly 450 million people globally.Hitherto, there is no approved anti-COVID-19 treatment, and vaccination is the only experienced preventive strategy.