IgG antibodies against RBD, spike and nucleocapsid were detected, with low optical density compared to positive control [ 13 ] and showed a decreasing trend from day 14 to 42 after reinfection symptoms onset.
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IgG antibodies against RBD, spike and nucleocapsid were detected, with low optical density compared to positive control [ 13 ] and showed a decreasing trend from day 14 to 42 after reinfection symptoms onset.