"The top health authorities of the U.S. and Argentina are launching what they call an “alternative international health system” separate from the World Health Organization (WHO).
On the first day of his second term, President Trump signed an executive starting the yearlong process of withdrawing the U.S. from the WHO. In February, Argentinian President Javier Milei followed suit."
https://thehill.com/homenews/5320168-us-argentina-launch-alt-health-system/