The World Health Organization (WHO) is warning countries that the Omicron CCP (Chinese Communist Party) virus variant poses a “very high” global risk, even as scientists with the body acknowledge little is known yet about the strain. “Omicron has an unprecedented number of spike mutations, some of which are concerning for their potential impact on the trajectory of the pandemic,” the WHO said in a Nov. 28 technical brief to its 194 members, which include the United States and China. “The overall global risk related to the new variant [of concern] Omicron is assessed as very high,” it added later. Still, WHO scientists are, like experts around the world, not sure whether Omicron actually presents a problem. The primary questions relate to how transmissible the variant is, whether it can evade protection from vaccines and natural immunity, and whether it causes more severe disease than other variants, scientists say. The strain “may …