A new coronavirus variant that was first identified in California is now taking hold in some parts of the state—but what do we currently know about it?
The variant actually comes in two forms, known as B.1.427 and B.1.429, both of which carry a similar, albeit slightly differing, set of genetic mutations—including three that affect the spike protein of the SARS-CoV-2 virus.
The Food and Drug Administration said on Monday that vaccine developers would not need to conduct lengthy randomized controlled trials for vaccines that have been adapted to protect against concerning coronavirus variants.
The recommendations, which call for small trials more like those required for annual flu vaccines, would greatly accelerate the review process at a time when scientists are increasingly anxious about how the variants might slow or reverse progress made against the virus.
Andy Slavitt, White House senior adviser on the coronavirus response, said vaccine-producing companies plan to update their shots to address variants of the virus.
During a Washington Post live interview Thursday, he said the Pfizer and Moderna vaccines “work well for” the most prominent variant spreading throughout the United States, which is the one first identified in Britain.
He said that while the vaccines appear less effective against the variants first identified in Brazil and South Africa, they do produce some antibodies.
As Americans anxiously watch the spread of coronavirus variants that were first identified in Britain and South Africa, scientists are finding a number of new variants that seem to have originated in the United States — and many of them may pose the same kind of extra-contagious threat.
In a study posted on Sunday, a team of researchers reported seven growing lineages of the coronavirus, spotted in states across the country. All have gained a mutation at the exact same spot in their genes.
LONDON — The dominant coronavirus variant in the U.K. is becoming more resistant to vaccines, scientific experts have warned.
Two leading scientists in the U.K. warned Wednesday that the variant of the virus first identified in Kent has acquired the same E484K mutation on its spike protein that makes the South Africa variant so worrying for experts.
GENEVA (AP) — Independent experts advising the World Health Organization about immunization on Wednesday recommended the use of AstraZeneca’s vaccine even in countries that turned up worrying coronavirus variants in their populations.
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