New strain may be ‘most transmissible subvariant of Omicron,’ scientists warn

Health experts voiced concern Wednesday over the rapid growth of the new Omicron sublineage XBB.1.5, advising the public to stay informed but not alarmed as they work to learn more.

​Health experts voiced concern Wednesday over the rapid growth of the new Omicron sublineage XBB.1.5, advising the public to stay informed but not alarmed as they work to learn more.