New Mpox Variant Spreads in US, Europe
A newer mpox variant, clade Ib, is actively spreading through communities in the United States and Europe, with recent unlinked cases in California signaling local transmission and prompting renewed vigilance from health officials. The World Health Organization has issued warnings as global cases in 2025 have already surpassed last year's total, presenting increased challenges for detection and prevention despite a low immediate risk to the general public.