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Schematic representation of the convalescent plasma therapy along with its mechanisms of action. A person recovered from COVID-19 infection produces a sufficient amount of specific antibodies in 12–14 days. The plasma with neutralizing antibodies mainly IgM and IgG can be transferred to produce immediate immunity in suspected or infected persons. IgG and IgM anti-SARS-CoV-2 antibodies will bind to specific sites and neutralize the virus.
