March 2020. Lost 14 pounds in 10 days. No fever no cough. Lack of appetite. Extreme fatigue every morning. My MD says they don’t know enough but my antibodies may be permanent. Took about 3 weeks for recovery.Here is another study on natural antibodies. When did you catch COVID? How bad were your symptoms?
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Antibody Responses 8 Months after Asymptomatic or Mild SARS-CoV-2 Infection
Antibody Responses after SARS-CoV-2 Infectionwwwnc.cdc.gov