BUENOS AIRES, Argentina — Argentina formally withdrew from the World Health Organization on Tuesday after President Javier Milei’s government completed a one-year notice period, ending the country’s membership in the U.N. health agency. The move capped a yearlong campaign in which Milei’s administration argued the WHO mishandled the COVID-19 pandemic and that Buenos Aires should keep full control over public health policy, March 17, 2026.
Foreign Minister Pablo Quirno said the withdrawal had become effective after the one-year notice period and said Argentina would continue health cooperation through bilateral agreements and regional forums while keeping domestic decision-making in Argentine hands.
Argentina withdraws from WHO after a year of escalating pressure
The break did not begin this week. Milei’s government first announced the decision in February 2025, describing the dispute as a fight over sovereignty and pandemic management. The policy was later reinforced in a joint statement with U.S. Health Secretary Robert F. Kennedy Jr., and Reuters later reported from Buenos Aires that both governments were already treating withdrawal as part of a broader attempt to recast international health cooperation outside the WHO.
The legal path was unusually complicated
Argentina’s formal notification to the U.N. secretary-general, sent in the U.N.’s role as depositary of the WHO constitution, said the withdrawal would take effect one year after the communication was received March 17, 2025. But the process was never purely administrative. A later WHO legal report said the organization’s constitution does not contain a general withdrawal clause for member states, making Argentina’s move exceptional under the Vienna Convention on the Law of Treaties.
That legal wrinkle separated Argentina from the U.S. case, because Washington joined WHO with an explicit withdrawal condition in 1948. In a Feb. 6 recommendation, the WHO Executive Board said the World Health Assembly should acknowledge Argentina’s withdrawal effective March 17, 2026, even as the agency’s lawyers noted the constitution itself does not spell out an ordinary exit mechanism.
Not a full break from regional health coordination
Argentina has said the pullout will not end every cross-border health tie. In February, Argentine officials told the WHO Executive Board they planned to stay active in the Pan American Health Organization and continue meeting international reporting duties for outbreaks with epidemic potential.
That distinction matters. Leaving WHO takes Argentina out of the main global forum for health policymaking, technical guidance and emergency coordination, but the government is trying to preserve regional channels even as it walks away from Geneva’s central institution.
The timing also underlined Milei’s alignment with Washington. Argentina followed the United States into the withdrawal process and then deepened that position through repeated joint messaging with U.S. officials, turning what began as a pandemic-era grievance into a formal break with the WHO.
