In Belgium, the question of who is responsible for protecting the most vulnerable has no clean answer — and that ambiguity is measurable in lives left exposed. The country's fragmented division of vaccination duties between federal and regional authorities has produced a patchwork of immunization coverage so uneven that where a senior citizen lives now determines, in meaningful ways, how well they are shielded from preventable disease. Health insurance funds have named the failure plainly and offered a path forward, but the remedy requires something Belgium's governance has long struggled to p
Belgium's fragmented vaccination policy creates regional disparities, health insurers warn
Low vaccination rates among elderly and chronically ill populations increase vulnerability to preventable diseases.
The system makes it harder than it should be to get vaccinated
Mark
So the core problem is that nobody's in charge of vaccination?
Mimi
Not exactly. The federal government sets the rules and pays for vaccines. The regions run the campaigns and keep the records. But there's no mechanism forcing them to work together, so you get these gaps.
Luke
Wait—do we know if the low rates are because people can't access vaccines, or because they're choosing not to? The source says "reduced accessibility" but I'm not seeing data on actual barriers.
Mimi
That's a fair point. The insurance funds are inferring that fragmentation causes low rates, but the source doesn't break down why a 65-year-old in Brussels is less likely to be vaccinated than one in Flanders.
Mark
Could it just be different populations? Different health literacy?
Luke
Could be. Or different outreach. Or different pharmacy networks. The source doesn't say. What we know for certain is the rates are different and the system is fragmented. The connection between those two things is logical but not proven in the data they released.
Mimi
The insurance funds are saying that if they had access to vaccination records, they could do targeted outreach. That suggests they think the problem is partly about reaching people who fall through the cracks.
Mark
And the misinformation piece—how big is that really?
Luke
Again, the source mentions it but doesn't quantify it. They're calling for "intensified" awareness campaigns to combat it, which implies it's a problem. But we don't know if it's the main driver of hesitancy or a secondary factor.
Mimi
What's clear is that the system as it exists now doesn't give anyone the tools to solve the problem comprehensively. You'd need national targets, regional execution, and shared data. Right now you have none of that.
Mark
So this is a call for coordination, not a crisis?
Luke
It's a call for coordination in response to what they're framing as a crisis—very low vaccination rates among vulnerable populations. Whether it's actually a crisis or just suboptimal depends on what happens when people don't get vaccinated, and the source doesn't give us that either.
Mimi
Fair. But 14 percent pneumococcal coverage among seniors and chronically ill people—that's objectively low by any standard.
The Pulse
- Flu vaccination rates among seniors swing from 58.5% in Flanders to just 43.3% in Brussels — a gap wide enough to represent tens of thousands of unprotected people.
- Pneumococcal vaccine coverage has collapsed to a critical 14% among at-risk populations, signaling that the system is not merely underperforming but functionally failing the chronically ill and elderly.
- No single national registry exists to track who has been vaccinated, leaving health insurers blind to their members' immunization gaps and unable to intervene preventively.
- Misinformation is filling the void left by scattered, underfunded awareness campaigns, making doubt easier to sustain than protection.
- Health insurance funds are pressing for a cooperation agreement that would set national vaccination targets while allowing regions to implement locally — coordination without dismantling Belgium's federal structure.
- The roadmap is clear and modest in its ambitions; what remains uncertain is whether federal and regional governments will treat the matter with the urgency the numbers demand.
In Belgium, the question of who is responsible for protecting the most vulnerable has no clean answer — and that ambiguity is measurable in lives left exposed. The country's fragmented division of vaccination duties between federal and regional authorities has produced a patchwork of immunization coverage so uneven that where a senior citizen lives now determines, in meaningful ways, how well they are shielded from preventable disease. Health insurance funds have named the failure plainly and offered a path forward, but the remedy requires something Belgium's governance has long struggled to provide: coordinated will across divided institutions.
Belgium's vaccination system is fracturing along regional lines, and the elderly and chronically ill are bearing the cost. The country's health insurance funds released an analysis showing how the split of vaccination responsibilities between federal and regional authorities has produced coverage so uneven it constitutes a public health failure.
The disparities are stark. Among seniors aged 65 and over, flu vaccination rates reach 58.5% in Flanders but fall to 43.3% in Brussels and 44.7% in Wallonia. For pneumococcal disease, the picture is worse: only 14% of at-risk populations — seniors and people over 45 with chronic conditions — received the vaccine in 2023-2024. Wallonia's rates are moving in the wrong direction entirely.
The structural cause is clear. The federal government controls reimbursement and recommendations; the regions control prevention, campaigns, and tracking. The result is a system full of gaps that neither level of government feels obligated to close. A senior in one region may access a vaccine easily while their counterpart across a border faces barriers no authority has claimed responsibility for removing.
Compounding the problem, Belgium has no unified vaccination registry. Without comprehensive data, health insurers cannot identify unvaccinated members and send timely reminders. Awareness campaigns exist but are fragmented and underfunded, leaving misinformation room to grow.
The health insurance funds are not calling for a restructuring of Belgian federalism — they are asking for a cooperation agreement that assigns clear responsibilities, establishes national vaccination targets, builds a shared data registry, and backs coordinated public messaging. The prescription is administratively modest. What it demands, above all, is the political will to act before another flu season passes with 86% of at-risk Belgians still unvaccinated against pneumococcal disease.
Belgium's vaccination system is broken along regional lines, and the people paying the price are the elderly and chronically ill. That's the conclusion of the country's health insurance funds, which released an analysis this month showing how the fragmentation of vaccination policy across federal and regional authorities has created a patchwork of coverage so uneven it amounts to a public health failure.
The numbers tell the story plainly. Among people aged 65 and over, flu vaccination rates swing wildly depending on where you live. In Flanders, 58.5 percent of seniors have been vaccinated against influenza. Cross into Brussels and that drops to 43.3 percent. Wallonia sits at 44.7 percent. These aren't minor variations—they represent tens of thousands of people left unprotected against a preventable disease. The pattern holds for pneumococcal vaccination, where coverage is even more dire: only 14 percent of at-risk populations (seniors and people 45 and older with chronic conditions) received the vaccine in 2023-2024. Sciensano, Belgium's public health institute, reports that vaccination rates are climbing nationally, but Wallonia is moving in the opposite direction.
The root cause is structural. Belgium's healthcare system splits vaccination responsibilities between two levels of government in a way that creates gaps no one is responsible for filling. The federal government handles reimbursement decisions and sets vaccination recommendations. The regional authorities—Flanders, Wallonia, and Brussels—own preventive health policy, awareness campaigns, and the systems that track who has been vaccinated. This division means that a senior in one region might have easy access to a vaccine while their counterpart across a border faces barriers neither level of government feels obligated to remove.
The health insurance funds are calling for a cooperation agreement that would clarify who does what and ensure the pieces actually fit together. They're not asking to overturn Belgium's federal structure; they're asking for the different levels of government to sit down and agree on a unified approach. At the national level, vaccination targets and a vaccination calendar should be set. Then regions would translate those targets into local strategies suited to their populations and infrastructure. The goal is coordination without centralization.
But coordination requires information, and Belgium's vaccination registries are fragmented too. There is no single, comprehensive database that shows vaccination status across the country. Health insurance funds say they need access to better data about their members' immunization history—not to invade privacy, but to reach people at the right moment with the right message. If an insurer knew that a 68-year-old member hadn't received a pneumococcal vaccine, they could send a targeted reminder. Right now, that kind of preventive outreach is nearly impossible.
The funds also emphasize that misinformation is feeding vaccine hesitancy. Awareness campaigns exist, but they're scattered and often underfunded. A coordinated national campaign, backed by clear messaging from trusted sources, could help counter the noise. The problem isn't that Belgians don't want to be vaccinated; it's that the system makes it harder than it should be to get vaccinated, and easier than it should be to doubt whether you need to.
What happens next depends on whether Belgium's federal and regional governments treat this as urgent. The health insurance funds have laid out a roadmap: clarify responsibilities, establish national targets, build a unified registry, intensify public messaging. None of it requires radical change. It requires the kind of administrative coordination that should be routine in a modern healthcare system. Until it happens, seniors in Wallonia will remain significantly less likely to be protected against flu than their counterparts in Flanders, and 86 percent of at-risk Belgians will remain unvaccinated against pneumococcal disease.
Notable Quotes
Greater access to information about vaccination status would allow health insurers to develop targeted actions and reach people at the right time— Independent Health Insurance Funds
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Politics & Governance