New strains of COVID swiftly moving through the US need careful watch, scientists say
Post Date:
2021-01-25
Source:
USATODAY
Viruses live – if you can call it that – to replicate themselves. They hijack cells, including our own, and use them to make copies of themselves.
But every time a virus like the one that causes COVID-19 copies itself, as it does millions of times inside each infected person, mistakes can happen.
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