I'm not a virologist or anything close, but reading this it seems like definitely good news?
If I am understanding it right, it's saying many people already have T-cells from common colds that can to some extent recognise Covid-19, and those that have had Covid, even a mild case, have T-cells that seem to last quite a while.
If I am understanding it right, it's saying many people already have T-cells from common colds that can to some extent recognise Covid-19, and those that have had Covid, even a mild case, have T-cells that seem to last quite a while.