Here are the 'immune escape' concerns about this subvariant that is now spreading in the U.S. and appears to be fueling a new wave in NYC.
The BA.5 now appears to be fueling yet another Covid-19 surge in New York City . A tweet from Jay Varma, MD, Professor at Weill Cornell Medical School and former Senior Advisor for Public Health to the NYC Mayor, showed how things are high in NYC, but not in a good way:
As Topol indicated, the big concern is BA.5 potentially being what’s called immune escape. This has nothing to do with escape rooms and instead is a situation where the virus looks so different from previous versions that any existing immune protection that you may have doesn’t adequately recognize this new version of the virus.
What’s the evidence that these differences may lead to “immune escape” for the virus? Well, Topol referenced athat showed how antibodies against the BA.1 subvariant didn’t neutralize the BA.4 and BA.5 subvariants very well. Although antibodies ain’t your entire immune response, this raises concerns that your immune system won’t be able to readily recognize the BA.5.
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