Dr. Howard Smith Oncall

Vidcast:  https://youtu.be/7bsKp6g7-nE   Data from the earliest victims of CoVid, infected more than a year ago in Wuhan, now show durable protective immunity against this dread virus for 12 months or more.  The longitudinal study of 1782 blood samples from 869 CoVid-surviving donors now appears online via the pre-publication server biorixiv.org.   Protective anti-CoVid antibody levels were present in 95% 1-2 months after infection but were still present in 89% at 6-7 months and in 81% at 12 months.  Antibody strength does decline over time, but those with the highest initial titers had persistently protective antibodies.   Expect that vaccine-induced antibodies will last longer and be stronger.   https://www.biorxiv.org/content/10.1101/2021.04.05.437224v1.full.pdf+html   #CoVid #antibodies #vaccine #durability