Outbreak: WHO declares much deadlier strain of mpox a global "public health emergency"

As a deadlier strain of the mpox virus, formerly known as monkeypox, spreads across Africa, the World Health Organization has declared the situation to be a "public health emergency of international concern."

The outbreak, which includes the more aggressive strain called clade lb, has infected 17,000 people in 13 countries across Africa since January, ac…