So what does this mean??
I guess it means there is some cross-reactivity due to previous infection with other coronaviruses.
Yes, coronaviruses of other varieties have been around for a very long time. https://youtu.be/WLILmWZXGRg The common cold is a Corona virus.
It's saying that T cells may defend against covid-19, and not just antibodies. T cells have longer term memories.
https://www.cedars-sinai.org/newsroom/covid-19-immunity-test-inventor-its-not-just-about-antibodies/
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So what does this mean??
I guess it means there is some cross-reactivity due to previous infection with other coronaviruses.
Yes, coronaviruses of other varieties have been around for a very long time. https://youtu.be/WLILmWZXGRg The common cold is a Corona virus.
It's saying that T cells may defend against covid-19, and not just antibodies. T cells have longer term memories.
https://www.cedars-sinai.org/newsroom/covid-19-immunity-test-inventor-its-not-just-about-antibodies/