1. Weakened Global Health Security and Surveillance
Reduced Early Warning Capabilities: The U.S. loses access to real-time, global, and transparent data on emerging infectious disease outbreaks, making it harder to identify and respond to threats like new pandemics or influenza strains before they reach the U.S..
Disruption of Global Health Programs: The loss of significant U.S. funding (previously ~15% of the WHO's budget) hurts the efficacy of vital, long-term programs, including vaccination campaigns, polio eradication, and malaria control in developing nations.
Undermined Pandemic Response: The U.S. forfeits its seat at the table in shaping international health regulations and pandemic preparedness, meaning it cannot directly influence global responses to future crises.
2. Decreased U.S. Influence and Geopolitical Standing
Loss of "Soft Power": By disengaging, the U.S. abandons its role as a key leader in setting global health standards, allowing other nations to fill the power vacuum.
Increased Influence of Rivals: The reduction of U.S. contributions likely makes the WHO more responsive to other nations, particularly China.
Strained Relationships with Allies: The move can harm relationships with international partners who prioritize multilateral cooperation in health.
3. Direct Impacts on American Health and Research
Limited Access to Information: The U.S. loses direct, immediate access to the WHO's global network and data, which was crucial during the COVID-19 pandemic.
Disruption of Scientific Collaboration: The withdrawal restricts collaboration between American scientists (e.g., CDC and NIH staff) and the WHO, potentially slowing research into vaccines and treatments for global, cross-border health threats.
Increased Risk of Imported Diseases: A weaker global response to outbreaks means a higher probability of dangerous diseases spreading internationally and ultimately affecting the U.S. population.