Changes in the mpox virus are just the latest challenge facing disease trackers trying to contain an outbreak of the virus that’s become a global health emergency.
The surge of cases is centered in the Democratic Republic of Congo, a country roughly the size of Western Europe that’s been wracked by decades-long conflict, severe poverty and malnutrition as well as camps housing hundreds of thousands of displaced people. Now, just like the coronavirus, influenza and the many other pathogens t