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Exposure to common colds might give some people a head start in fighting COVID-19 – Micky News

Could we have some immunity to SARS-CoV-2, the virus that causes COVID-19, without ever having been exposed to it? Some new studies found people who were never



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Some new studies found people who were never symptomatic, exposed to, or tested positive for COVID-19 have immune cells that can recognize and possibly kill virus-infected cells.
How is this possible? And what does it mean for our fight against COVID-19?
Many common colds are coronaviruses
There are seven known coronaviruses that can infect humans. Three can cause severe respiratory symptoms: SARS-CoV-2, SARS-CoV-1 (which caused the 2002-04 SARS outbreak), and MERS-CoV (which was first identi…

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