Pfizer COVID Vaccine Antibodies May Disappear in 7 Months, Study Says

Oct. 4, 2021 — Antibody levels may wane after 7 months for people who got the Pfizer-BioNTech vaccine, according to a new study published on the bioRxiv preprint server. In the study, which hasn’t yet been peer-reviewed or formally published in a medical journal, researchers analyzed blood samples from 46 healthy young or … Read more