SARS-COV-1 and herd immunity. Same happened in
Post# of 148265
Same happened in SARS-COV-1. In a few months all antibodies gone.
https://www.clinicalmicrobiologyandinfection....7/fulltext
But 10 years later a more positive article was published.
https://pubmed.ncbi.nlm.nih.gov/26954467/
I think our immune system is much smarter than we all think.
gf