JUST A REMINDER
Recent news is that immunologists are discovering SARS-CoV-2 reactive T cells in patients never exposed to the virus, while noting that nearly everyone is exposed to upper respiratory coronaviruses in childhood.
On Feb 17 in this thread, I said the following:
[quote=“profbillg1901, post:1, topic:399”]
One hypothesis for the marked age distribution of SARS-CoV-2 could be that the younger infant and pediatric age group is resistant to SARS-CoV-2 due to annual exposure to other coronaviruses sharing much S2 sequence…
Public blogpost, five and one half months ago. In terms of the pandemic, an eternity ago.
Bill Gallaher