In cholera developments, Comoros last month reported its first outbreak since 2008.
The new H5N1 detections in US mammals occurred in skunks and a mountain lion.
In another development, Indonesia's government donated 10 million doses of polio vaccine to Afghanistan.
Dengue cases in the Americas so far this year are outpacing last year's record activity.
The new detection comes just a week after the CDC warned health providers about a rise in imported measles cases.
The WHO has approved the release of 20 million nOPV2 vaccine doses following the Indonesian government's request.
Estimates after 3 years of clinical use suggest nOPV2 is 80% less likely to seed new variant polio outbreaks.
The latest suspected cases stem from exposures at a daycare provider.
Philadelphia health officials are tracking 4 confirmed measles cases, plus 2 suspected infections.
Mauritania's case is its first of 2023.