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from The Disease X-19.
Cross-reactivity: Covid-19 and common cold Coronaviruses
“So how could their immune system have reactive T cells if they never had Covid-19? They were “probably acquired in previous infections with endemic” coronaviruses, the researchers — from various institutions in Germany and the United Kingdom — wrote in the new study. Using this T cell memory from another-yet-similar infection to respond to a new infection is called “cross-reactivity.”
Michael Novakhov – SharedNewsLinks℠