Tag: COVID antibodies February 15, 2022 Antibodies improve in quality for months after COVID-19 vaccinationRising antibody quality may partially compensate for falling levels.News Release August 17, 2021 Antibodies elicited by COVID-19 vaccination effective against delta variantFindings help explain why vaccinated people at low risk during delta surge.News Release March 4, 2021 New evidence COVID-19 antibodies, vaccines less effective against variantsWorrisome new coronavirus variants can evade antibodies that neutralize original virus.News Release Posts navigation