COVID-19 Antibodies Rapidly Decline 6 Months After Vaccination
Rheumatology Advisor (Results of a longitudinal study confirmed that anti-receptor binding domain (RBD) antibodies conferred by COVID-19 mRNA vaccination decrease over time. In addition, women were more likely to produce antibodies at months 1 and 9 following COVID-19 vaccination compared with men. These findings were published in the International Journal of Infectious Diseases.
Researchers quantified the production of immunoglobulin (Ig) G antibodies among a cohort of 1343 health care workers who received 2-doses of the Pfizer-BioNTech COVID-19 (BNT162b2) vaccine between February and October 2021. The SARS-CoV-2 IgG II Quant assay by Abbott Laboratories (North Chicago, IL) was used to quantify antibodies at 1-, 6- and 9-months after receipt of the vaccine.
COVID-19 Antibodies Rapidly Decline 6 Months After Vaccination – Rheumatology Advisor