Waning of Antibody Levels following SARS-CoV-2 Infection or Vaccination

In a study including > 1000 participants a significant waning of antibody levels was observed following vaccination.
The rate of antibody waning was not affected by pre-immunity or age.
Vaccination after infection induced about 200% of antibodies compared to non infected individuals.

https://www.mdpi.com/2076-393X/10/5/696

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