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COVID-19 News, Info, Discussion /// Tracking the Spread of the Virus and its Effects /// October Lockdown for UK (pg. 774)
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Dosha |
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A friend forwarded this to me yesterday, from Yahoo News (oxymoron for sure)  [ link to news.yahoo.com (secure)] My gist from the article:This mutation emerged in May, so been here awhile, has become dominant strain in CA. Easier spreading, more evasive to antibodies from prior infection or vaccine. Some of the article: B.1.427/B.1.429's genome includes three mutations that affect the crucial spike protein, which the virus uses to sneak into human cells and convert them into factories for its own production. One of those three mutations, dubbed L452R, affects the so-called receptor binding domain, helping the virus attach more firmly to target cells.
That adaptation has not been seen in coronavirus variants that have caused worry elsewhere.
In a UCSF lab, scientists found that the L452R mutation alone made the California strain more damaging as well. A coronavirus engineered to have only that mutation was able to infect human lung tissue at least 40% more readily than were circulating variants that lacked the mutation. Compared with those so-called wild-type strains, the engineered virus was more than three times more infectious. ...
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