I like the last sentence in the paper "but at present this is highly speculative"
-
-
I know u r smart enough not to buy what u r tryin to sell me. While right to some extent u r pretty much aware that acquired pre-existing cross immunity thru viral strain ABs/T cells is t/most likely explanation
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
