Source: World Health Organization
The world is still reeling from the collective impact of the COVID-19 pandemic, and in 2026, it is once again confronting renewed concerns over infectious diseases such as hantavirus and Ebola. Meanwhile, measles outbreaks in the Americas—reportedly reaching nearly 2,000 cases—have raised alarm, with experts linking the resurgence to declining routine immunization coverage in some regions and persistent inequities in vaccine access. These developments highlight critical gaps in immunization systems not only in the United States but also across other parts of the world.
In response to these growing global concerns, the World Health Organization has reaffirmed its commitment to the Immunization Agenda 2030 (IA2030). The resolution underscores the importance of vaccines and reiterates their role as one of the most effective, equitable, and cost-efficient tools in public health.
The renewed support from WHO came during the 79th World Health Assembly, where Member States, global health partners, and non-state actors emphasized the importance of strengthening immunization systems as a cornerstone of outbreak preparedness, health system resilience, and long-term global health security.
During the ongoing summit in Geneva, more than 70 countries and regional groups expressed support for the IA2030 Mid-Term Review, calling for stronger country-led vaccination programs and deeper integration of immunization services within primary health care systems. Delegates also highlighted the need for targeted support in fragile and conflict-affected settings, where health systems remain under significant strain.
Progress toward the Immunization Agenda 2030 (IA2030) targets remains off track, although participating countries, in coordination with their respective health ministries, are working to strengthen immunization efforts, particularly for vulnerable groups such as children and older adults. World Health Organization (WHO) officials have warned that rising measles outbreaks, declining routine immunization coverage in several regions, and persistent inequities in vaccine access have exposed serious gaps in global health systems.
In countries with more limited healthcare access and weaker medical infrastructure, delegates stressed the urgent need to reach zero-dose and under-immunized populations who remain outside routine health services. They also acknowledged initiatives such as the "Big Catch-Up," which has helped deliver millions of missed childhood vaccinations.
Several Member States cautioned that without sustained investment and strong political commitment, recent immunization gains could be reversed. They also highlighted the importance of increased domestic financing and stronger national ownership to ensure long-term program sustainability.
Calls have also grown for expanding regional vaccine manufacturing capacity and strengthening supply chains to reduce reliance on external suppliers, alongside efforts to combat misinformation, vaccine hesitancy, and declining public trust through improved communication and community engagement.
Looking ahead, and in line with the goal of delivering more efficient and widespread global vaccination under IA2030, Member States and the World Health Organization emphasized a broader vision for immunization. This includes the introduction of new vaccines, stronger disease surveillance, expanded digital registries, and life-course vaccination strategies, alongside deeper integration into primary health care and emergency preparedness systems.
