New Omicron Subvariant Spreading in India, United States

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(HealthDay News) — A highly contagious omicron variant, dubbed BA.2.75, is appearing in India, the United States, and other nations, experts say.

BA.2.75 is concerning scientists because it appears to spread fast, bypassing the protection offered by COVID-19 vaccines and immunity from previous infection, the Associated Press reported. But whether it can cause more serious disease than other SARS-CoV-2 variants is not clear, the experts said.

“It’s still really early on for us to draw too many conclusions,” Matthew Binnicker, Ph.D., director of clinical virology at the Mayo Clinic in Rochester, Minnesota, told the AP. “But it does look like, especially in India, the rates of transmission are showing kind of that exponential increase.”


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Shishi Luo, Ph.D., is head of infectious diseases for the company Helix, which supplies viral sequencing information to the U.S. Centers for Disease Control and Prevention. Luo told the AP that seeing this new variant popping up around the world “is an early indication it is spreading.”

In addition to India and three recent cases in the United States, BA.2.75 has been detected in 10 other countries, including Australia, Germany, the United Kingdom, and Canada.

Experts worry that this variant can more easily bind to cells and evade the body’s protective antibodies. But vaccines and boosters are still the best defense against severe COVID-19, the news report noted. Reformulated vaccines that target more recent omicron variants should be available in the United States this fall.

Associated Press Article



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