Vaccination Gap Could Let Another Dangerous Variant Emerge, Experts Say

A coronavirus wave driven by the highly infectious Omicron variant wave may be cresting in parts of North America and Europe, but new cases are still climbing in less-vaccinated regions, and World Health Organization leaders warn that the global surge and the world’s wide vaccine gap could set the stage for another dangerous variant.

Maria Van Kerkhove, the agency’s Covid-19 technical lead, said in a livestream hosted on Tuesday that challenges existed in every country about reaching the most vulnerable unvaccinated communities.

“The fact remains that more than three billion...