Claim: The formation of "non-neutralizing antibodies" can lead to an exaggerated immune reaction, especially when the person is confronted with the real, "wild" virus after vaccination. This so-called antibody-dependent amplification, ADE, has long been known from experiments with corona vaccines in cats.
Fact-check: Claims about the Pfizer Covid-19 vaccine ingredients lack evidence - Full Fact
Verdict: there's no evidence antibody-dependent amplification is an issue in humans with covid-19, and the use of plasma therapy suggests that it is not.
Organisation: Full Fact
Author: Grace Rahman
Date published: 2020-12-10T00:00:00