haxxiy on 26 March 2021
It looks like the effects of getting a single dose of the vaccine (Pfizer, in this study, but likely others) are gigantic.
Look at these levels of protection among who were infected + vaccinated. It exceeds the immune response of those who were merely vaccinated by orders of magnitude! In fact they are so high that cross-immunity against the original SARS virus, which is separated by centuries of genetic drift from SARS-CoV-2, is higher than the neutralization elicited from infection against the original strain.
