New COVID-19 Variant NB.1.8.1 Spreading Globally, Raising Concerns
A new COVID-19 variant, NB.1.8.1, is circulating in parts of the world, leading to a rise in cases mainly in the eastern Mediterranean, Southeast Asia, and the western Pacific, while the dominant variant globally remains LP.8.1. The WHO considers the public health risk low with current vaccines still effective, and recent changes in U.S. vaccination recommendations have sparked debate.