Today – August 14 – marks the one-year anniversary of the World Health Organization declaring mpox a Public Health Emergency of International Concern. The challenges started early on: When WHO declared the public health emergency it still had not green lit the mpox vaccine. Same with Africa CDC’s emergency declaration which marked the first time the body ever issued a Public Health Emergency of Continental Security. Similarly, he says, the laboratory network used to test suspected mpox cases has grown significantly in the hot spots. Rimoin says, so far this mpox emergency the U.S. has been largely spared — but that may not last.