Similar Stories to Why New Covid Variants Are Driving A Surprise Surge on Bing News

In its evolutionary fight for survival, the COVID virus is switching strategies: It’s becoming a master at slipping past our immune systems. And that, say experts, is largely why we’re dealing with an unexpected surge. Powered by two mutations, new lineages of the omicron variant — called BA.2 and its more recent descendants BA.2.12.1, BA.4 and BA.5 — are increasing rates of vaccine breakthrough and reinfection, according to an analysis published Saturday by Trevor Bedford, a virologist at the Fred Hutchinson Cancer Research Center in Seattle, who studies the evolution of viruses. These latest strains are succeeding “not because they’re more contagious, as much as they are more immune evasive,” Dr.

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BING NEWS:
  • New XEC Covid variant: What are the symptoms and is it spreading in the UK?
    People have started catching a new Covid variant that could soon take off and become the dominant type, according to scientists. Identified in Germany, in June, cases of the XEC variant have since ...
    09/17/2024 - 10:40 am | View Link
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