Quote:New research from Karolinska Institutet and Karolinska University Hospital shows that many people with mild or asymptomatic COVID-19 demonstrate so-called T-cell-mediated immunity to the new coronavirus, even if they have not tested positively for antibodies. According to the researchers, this means that public immunity is probably higher than antibody tests suggest. The article is freely available on the bioRxiv server and has been submitted for publication in a scientific journal.
https://news.ki.se/immunity-to-covid-19-...have-shown
more here
https://www.biorxiv.org/content/10.1101/...9.174888v1
the paper is here
https://www.biorxiv.org/content/10.1101/...1.full.pdf
Eric
"the older we get the better we were"