T cells from common colds cross-protect against infection with SARS-CoV-2
“Being exposed to the SARS-CoV-2 virus doesn’t always result in infection, and we’ve been keen to understand why. We found that high levels of pre-existing T cells, created by the body [the immune system] when infected with other human coronaviruses like the common cold, can protect against COVID-19 infection….” A new study, published in Nature …