Slow Waning of Antibodies Following BNT162b2 as a Third Dose in Adults Who Had Previously Received 2 Doses of Inactivated Vaccine.
case_series · Level IV
Where this comes from
- Record sourced from PubMed, PMID 36108092.
- Also identified by DOI 10.1093/infdis/jiac380 and PMC identifier 9494487.
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Abstract
We administered BNT162b2 as a third dose to 314 adults aged ≥30 years who had previously received 2 doses of inactivated vaccine. We collected blood samples before the third dose and again after 1 month and 6 months, and found robust antibody responses to the ancestral strain at 6 months after receipt of BNT162b2. Antibody responses to Omicron BA.2 by live virus neutralization were weaker after the third dose and had declined to a low level by 6 months.
Medical subject headings
- BNT162 Vaccine
- Antibodies