ANALYSIS: Denmark Eliminates Mother-to-Child HIV Transmission—What Europe Can Learn from This Medical Miracle

From hundreds of cases a year to zero transmission

Danish epidemiological data tell this story with absolute clarity. In the 1990s, before the widespread adoption of preventive antiretroviral protocols, Denmark recorded several dozen cases each year of infants infected with HIV from their mothers. This was a small number in absolute terms—the Danish population is modest—but significant in terms of proportion and the intensity of individual suffering. Throughout the 2000s, this number began to decline steadily as treatment protocols improved and coverage of HIV-positive pregnant women on treatment approached 100%. In the 2010s, there were only a few cases per year—sometimes none at all—though the trend still fluctuated, failing to reach the statistical certainty required for certification. It was finally in 2025 that the WHO confirmed that Denmark had maintained the required indicators for a sufficiently long and robust period to merit official certification of elimination: zero confirmed transmissions over a reference period. A result that would have seemed fanciful to a Danish doctor in 1985.

On a global scale, the figures put the issue into context. According to UNAIDS data, approximately 130,000 children were infected with HIV through mother-to-child transmission in 2023 worldwide—a number that has fallen sharply compared to the 1990s, but remains unacceptably high. Virtually all of these cases occur in resource-limited countries, primarily in sub-Saharan Africa, where access to antiretroviral drugs, prenatal care, and integrated health systems remains unequal and inadequate. Denmark’s achievement, as real and commendable as it is, thus highlights by contrast a global structural injustice: the tools to eliminate this transmission exist, are well-known, and are effective—and yet tens of thousands of children continue to be deprived of them each year simply because they had the misfortune of being born on the wrong side of an economic border.

This duality weighs heavily on me. Celebrating Denmark’s victory is both legitimate and necessary. But to celebrate without naming the injustice that persists would be a form of complacency. The world knows how to protect these children. The world still chooses not to do so universally. This is a political decision, not a medical inevitability.

The Weight of Every Protected Birth

Behind the statistics are faces. There are women who learned of their HIV-positive status while carrying a child, who went through nine months of pregnancy with fear in their hearts, surrounded by healthcare providers who made their protection an absolute priority, and who held a healthy child in their arms. There are pediatricians who no longer need to tell parents that their newborn is living with a chronic virus. There are families moving forward without that particular burden. The medical victory is real. The human victory, however, is immense. And it teaches us something essential: when a healthcare system decides that no child should be born with HIV because of their mother, and builds the tools, protocols, and determination to achieve this, it can succeed. Denmark is living proof of this.

Undetectable Viral Load as an Absolute Shield

The science behind this breakthrough is based on a principle that is both simple and revolutionary: a person living with HIV who is on effective antiretroviral therapy and has an undetectable viral load in their blood does not transmit the virus. This principle, known by the acronym U=U for “undetectable equals untransmittable,” was formally validated by the international scientific community in the 2010s, largely thanks to large-scale studies conducted on serodiscordant couples. For mother-to-child transmission, this has direct and decisive implications: a HIV-positive pregnant woman who begins treatment at the start of her pregnancy and achieves and maintains an undetectable viral load has a risk of transmitting the virus to her child that is statistically close to zero. Modern antiretrovirals—particularly the latest-generation integrase inhibitors such as dolutegravir—are highly effective, well-tolerated during pregnancy, and have a robust safety profile. They form the pharmacological backbone of this victory.

But medicine isn’t everything. Even the most powerful treatment in the world is ineffective if the woman who needs it doesn’t know she is HIV-positive, cannot access care, or does not receive regular follow-up throughout her pregnancy. This is where the Danish model reveals its systemic dimension: the medications have been available for years. What made the difference in Denmark was the system’s ability to ensure that every HIV-positive pregnant woman is identified, treated, monitored, and supported—without exception, without discrimination, and without any gaps in care. It is this organizational coherence—this absence of gaps in the care chain—that has transformed a medical possibility into a proven epidemiological reality.

What Denmark teaches us is that science without organization is not enough. We’ve had the medications for decades. What is often lacking elsewhere is the political will to build the system that delivers them to every person who needs them. It is a matter of societal choice, not technical capacity.

The Structure of Danish Prenatal Care

Danish prenatal care is structured around regular mandatory checkups, free access to all tests and treatments, and interagency coordination that is not left to the discretion of individual practitioners but is integrated into standardized national protocols. Every pregnant woman is screened for HIV during her first prenatal visit, typically around the tenth week of pregnancy. Results are processed quickly. In the event of a positive result, care is initiated without delay. A network of infectious disease specialists trained in the care of HIV-positive pregnant women coordinates with obstetricians and pediatric teams to ensure seamless continuity of care. After birth, the newborn receives prophylactic antiretroviral treatment during the first few weeks of life and is monitored through repeated tests to confirm that no transmission has occurred. It is a system with no blind spots, designed to leave no one behind. It is not perfect—no human system is—but it is remarkably effective.

Restrained but sincere congratulations

Reactions from the international medical community to the announcement of Denmark’s certification were unanimously positive, tinged with a collective sense of pride in what this achievement represents. The WHO, through its officials responsible for maternal and child health, praised the “exemplary rigor” of the Danish healthcare system and emphasized that this certification represents “a major step forward for the European Union and a model for other high-income countries.” The international organization reiterated that eliminating mother-to-child transmission of HIV is one of the central goals of its global health strategy, and that Denmark demonstrates that this can be achieved with robust public health systems and sustained political will. Experts in pediatric infectious diseases and maternal medicine across Europe also reacted enthusiastically, with some noting that other European countries—particularly in Scandinavia and those with strong universal health care systems—are close to achieving the same indicators.

Organizations fighting HIV/AIDS, such as AIDES in France and NAT in the United Kingdom, welcomed the news while noting that in many European countries, inequalities in access to care—particularly for migrant women, undocumented women, and women from marginalized groups—still pose a real obstacle to the complete elimination of vertical transmission. Denmark’s achievement is real. It does not erase the persistent challenges. In fact, it highlights them by contrast.

What strikes me about the experts’ reactions is this delicate nuance: celebrating without downplaying what remains to be done. It is the hallmark of a scientific community that refuses to be complacent. This intellectual rigor is, in its own way, just as impressive as the victory itself.

What Specialized Infectious Disease Specialists Say

Danish infectious disease specialists who have followed this journey over decades attest to a profound transformation in their clinical practice. Whereas they once had to prepare families for the news of an HIV diagnosis in an infant, their work now focuses on systematic prevention, supporting HIV-positive women throughout their pregnancies, and providing psychological support to address the lingering anxiety that many of them feel despite medical assurances. For even when the risk of transmission is scientifically negligible, the subjective experience of pregnancy with HIV remains marked by fear, stigma, and uncertainty. Medical progress does not instantly eliminate the psychological and social dimensions of the disease. It does, however, create a new context: one in which healthcare providers can tell their patients, with absolute conviction, that their child will be protected. This shift in clinical discourse has therapeutic value in and of itself.

Persistent Inequalities Within the European Union

While Denmark has succeeded in eliminating mother-to-child transmission of HIV, other European Union member states are still far from achieving this goal. The inequalities are striking. In several countries in Central and Eastern Europe—Romania, Bulgaria, and certain regions of Poland—less integrated health systems, less universal access to testing, and higher levels of stigma surrounding HIV create conditions that are less conducive to elimination. In Western European countries such as France, the United Kingdom, and Italy, transmission rates are extremely low but have not yet been certified as zero, partly due to gaps in care for specific populations: migrant women who have recently arrived in the country, women whose HIV-positive status is not discovered until late in pregnancy, and women who avoid the healthcare system out of fear of discrimination or legal repercussions related to their immigration status.

These intra-European inequalities are not inevitable. They reflect political choices and budgetary priorities. While Denmark has invested in a universal healthcare system that is accessible and provides consistent quality of care throughout the country, other countries have allowed disparities in access to care to widen. While Denmark has de-emphasized stigma and invested in building trust between institutions and citizens, other contexts have allowed environments to persist where HIV-positive women hesitate to disclose their status to their healthcare providers. The Danish lesson is not merely medical; it is profoundly political and social.

It would be all too easy to celebrate Denmark’s victory while forgetting that in other European capitals, HIV-positive pregnant women still hesitate to see a doctor for fear of stigma or concerns about their immigration status. The European Union has all the tools at its disposal. It lacks, however, the consistent political will to implement them everywhere.

The levers other countries can activate right now

Experts are unanimous on the measures that would enable other European countries to move toward eliminating mother-to-child transmission of HIV. The first and most important is the universalization of prenatal screening. In several countries, HIV screening during pregnancy is still not sufficiently systematic or faces administrative, cultural, or logistical barriers. Yet without early testing, there can be no early treatment. The second lever is the decriminalization and destigmatization of HIV. In environments where HIV-positive people fear legal, medical, or social discrimination, they avoid seeking care. This self-imposed invisibility is the main obstacle to elimination. The third lever is unconditional access to prenatal care for all women, regardless of their immigration status, nationality, or social situation. An undocumented migrant woman who avoids the healthcare system out of fear is not a statistic: she is a life—two lives—left unprotected.

130,000 children infected each year: the shadow cast over the victory

It is impossible to fully celebrate Denmark’s victory without facing the global reality head-on. While Denmark recorded zero mother-to-child transmission, approximately 130,000 children were infected with HIV through vertical transmission worldwide in 2023, according to UNAIDS data. This figure is down from the peak of more than 500,000 annual cases in the early 2000s—a decline that itself reflects immense progress. But 130,000 is still 130,000 children whose lives begin with a burden that medicine knows how to prevent. The vast majority of these cases occur in sub-Saharan Africa, where countries such as Nigeria, Tanzania, Uganda, and the Democratic Republic of the Congo account for the majority of new pediatric infections. This is not a matter of a lack of medical knowledge: effective antiretroviral drugs exist and are available. It is a matter of access, funding, infrastructure, and international will.

The PEPFAR program—the U.S. President’s Emergency Plan for AIDS Relief—has played a colossal role in reducing mother-to-child transmission in sub-Saharan Africa since its inception in 2003. It funds antiretroviral treatment for millions of people across the continent. Yet this program is now under political pressure in the United States, with discussions about budget cuts that, if implemented, would have direct and measurable effects on tens of thousands of lives—including infants born to HIV-positive mothers in Africa. The Danish victory cannot be viewed in isolation from this global context.

Here’s what I find unbearable about this heartwarming story: we know exactly what needs to be done to ensure that these 130,000 African children are not born with HIV. We have the medications, the protocols, and the evidence of effectiveness. What’s missing is the political will to fund what science has already solved. It’s a collective shame on a global scale.

The Double Standard of Global Medicine

The global health economy operates according to logic rooted in profound inequality—a phenomenon that is not new but which the Danish success makes particularly visible. A child born in Copenhagen to an HIV-positive mother now faces a statistically zero risk of HIV transmission, because his or her country has decided to invest in a universal healthcare system and in impeccable protective protocols. A child born in Kinshasa, Lagos, or Kampala to an HIV-positive mother faces an infinitely higher risk of transmission—not because the medical tools do not exist, but because their country lacks the resources or international support needed to deploy them universally. This inequality is no coincidence. It is the result of decades of trade policies on pharmaceutical intellectual property rights, shifting international aid priorities, and health care systems weakened by decades of structural adjustment policies. Denmark’s medical triumph is real and deserves to be celebrated. Its global shadow is just as real and deserves to be acknowledged.

Public Health as an Investment, Not a Cost

Denmark’s success is also, at its core, a demonstration of the effectiveness of universal health care systems with broad coverage. Denmark allocates a significant portion of its GDP to public health—around 10% according to OECD data—and has, for decades, made a political commitment to guarantee every resident free or nearly free access to care, regardless of income. This choice has an obvious budgetary cost. It also yields measurable returns, sometimes quantifiable in terms of healthy life years, economic productivity, and social cohesion—but also, as the WHO certification demonstrates here, epidemiological victories that would have been impossible without this infrastructure. The elimination of mother-to-child transmission of HIV could not have been achieved with a system in which some women lack access to testing because they cannot afford a doctor’s visit, or in which prenatal care is uneven depending on one’s ZIP code. It requires universal coverage. Only a universal system can guarantee this coverage.

This lesson extends far beyond the issue of HIV. It applies to all public health challenges where prevention and early detection make the difference between a controlled epidemic and a devastating one. Recent pandemics—including COVID-19—have served as a reminder of just how much a country’s ability to protect its population from health threats depends on the strength of its public health systems. Denmark is not perfect. But its model embodies principles whose validity is hard to dispute in light of the results.

Whenever a political debate centers on the cost of universal healthcare, I wish policymakers would look at this Danish model. It is not an expense. It is an investment whose dividends are measured in lives saved and families spared the pain of certain losses. Public health accounting should take this into account.

Trust as Invisible Infrastructure

There is one element of the Danish model that statistics do not fully capture but which is perhaps the most valuable and the hardest to export: trust. Trust between citizens and the healthcare system. Trust between patients and their caregivers. Trust in the confidentiality of medical information. Trust that disclosing one’s HIV-positive status to a doctor will not lead to discrimination, stigmatization, or social or legal repercussions. This trust is built on decades of institutional practices, protective legal frameworks, and a compassionate medical culture. It is invisible on the organizational charts of healthcare systems, but it is the sine qua non of universal testing. A woman who does not trust the system will not get tested. And a woman who does not get tested falls outside the entire chain of protection. Denmark’s victory is also a cultural victory: that of a country that has succeeded in creating the conditions under which the most vulnerable people trust the institutions meant to protect them.

Migrant Women, Marginalized Women: The Invisible Ones in the System

Even in the exemplary Danish context, experts emphasize that the main remaining vulnerability concerns migrant women, women seeking asylum, and women with precarious administrative status. Even in Denmark, these populations may have delayed or irregular access to prenatal care—either because they are unaware of their rights, fear repercussions, or because language and cultural barriers delay their integration into the care pathway. The Danish WHO certification indicates that these residual cases did not prevent the required threshold from being met—but they represent the line that any healthcare system, no matter how excellent, must remain vigilant about. Elimination is not permanent by nature. It is sustained through continuous vigilance, through a system that never stops seeking out those who might be left behind.

In France, Italy, and Greece—where migration flows are heavier and healthcare integration systems are under greater strain—this challenge is even more acute. HIV-positive pregnant women arriving in Europe without having had access to prior care may pose a risk of transmission if they are not quickly integrated into appropriate prenatal care. The humanitarian and epidemiological dimensions converge here: protecting migrant women’s access to care also means protecting the children they are carrying. This is not charity. It is smart public health policy.

Health care systems often tend to excel at their core and falter on the periphery—where the most vulnerable people live. The true measure of a health care system is not its performance for the well-integrated majority. It is its performance for those who have almost nothing else but it.

The Crucial Role of Destigmatization

The stigma surrounding HIV remains one of the most persistent obstacles to eliminating mother-to-child transmission worldwide. Recent studies, including those in high-income European countries, show that HIV-positive women are still reluctant to disclose their status to their loved ones—and sometimes even to their healthcare providers—for fear of judgment, rejection, or repercussions on their parental rights. This fear, as irrational as it may seem in a supportive medical setting, is deeply rooted in the decades of moralizing and criminalization that have surrounded HIV/AIDS since its emergence. Denmark has gradually dismantled these perceptions through a combination of public education, protective legal frameworks, and a medical culture centered on non-discrimination. Elsewhere, this work remains largely to be done. Destigmatization is not a luxury. It is a prerequisite for epidemiological success.

The equation that too many countries still refuse to solve

The Danish certification illustrates with almost textbook clarity what happens when medical science meets political will in a supportive institutional context. Antiretroviral drugs effective in preventing mother-to-child transmission of HIV have been available since the 1990s. Prenatal care protocols for identifying and treating all HIV-positive women have been known and documented for decades. The proof of concept—that such elimination is possible—was demonstrated by Cuba in 2015. What was missing in many countries was not knowledge. It was the collective decision to implement it without fail, for everyone, without exception. This is the decision that Denmark made and has maintained for decades. It is not spectacular. It is not visible. It is measured in the numbers of a certification.

Other European countries could make this same decision. Some are getting close. Sweden, Finland, and the Netherlands are often cited as being close to meeting the indicators required for similar certification. In France, transmission rates remain very low but have not yet reached the certification threshold, particularly due to the challenges related to vulnerable and migrant populations mentioned above. The question is not whether these countries can achieve this. The question is whether they decide that this is a priority worthy of the necessary systemic investment. Denmark’s success should be a decisive argument in this debate.

There is something almost frustrating about this story: everything that needed to be done was already known. The tools existed. All that was needed was the decision to use them for everyone. This isn’t a feat of extraordinary courage. It’s a matter of consistency. And perhaps it is precisely because it is so simple in theory that it remains so difficult in practice in most countries.

Europe as a Global Showcase

The European Union has a unique opportunity: to become the first regional bloc in the world to collectively eliminate mother-to-child transmission of HIV across its entire territory. Denmark has shown that it is possible. Other advanced members of the bloc can follow suit in the coming years if the right policies are implemented. Such a collective victory would send a strong signal to the rest of the world: that in a region of several hundred million people, with real economic and cultural diversity, it is possible to make zero transmission a shared reality. It would also demonstrate the added value of a coordinated public health policy at the European level—a useful political argument in a context where the EU’s role in health is often contested or undervalued. The next step should be an explicit European strategy aimed at certifying all member states within a defined timeframe.

Maintaining Certification in the Face of New Migration Challenges

Achieving WHO certification for elimination is one thing. Maintaining it over the long term is another. Denmark, like all certified countries, must now maintain robust surveillance indicators to quickly detect any signs of residual transmission and respond without delay. Future challenges include managing migration flows from regions with high HIV prevalence, which may bring into the country women of childbearing age whose HIV status is unknown and who have not yet had access to Danish healthcare. The speed and effectiveness of their integration into the prenatal healthcare system will be an ongoing test of the resilience of this victory. Other challenges include remaining vigilant against the emergence of antiretroviral resistance—even though the latest-generation treatments offer very robust protection against this risk—and maintaining a high level of information and training for healthcare providers in a context where the disease may become increasingly rare in their daily practice and thus less familiar.

Complacency is the enemy of elimination. Several countries that had achieved indicators close to certification saw their figures deteriorate during periods of health system restructuring, budget cuts, or health crises that diverted resources and attention. Denmark must remain vigilant. Its victory is the beginning of an ongoing responsibility, not the end of an effort.

Victories in public health are never permanently secured. They are sustained through constant attention, sustained funding, and unrelenting institutional vigilance. Denmark’s certification marks the beginning of a new phase—one in which the victory must be protected just as diligently as it was achieved.

The Challenge of Expanding This Achievement Across the Entire European Union

For Europe to one day collectively declare the elimination of mother-to-child transmission of HIV across the entire European Union, several member states still need to take significant steps. Romania and Bulgaria, which have the most concerning indicators, would require substantial investments in their prenatal health systems and much broader screening campaigns. Countries such as Poland and Hungary, where certain public policies have undermined access to care for marginalized populations, will also need to make progress on institutional and cultural fronts. It is not just about money, even though money is a necessary condition. It is also about political will, prioritizing the health of the most vulnerable women, and fostering an institutional culture that is supportive of people living with HIV. These transformations take time. Denmark’s success should accelerate them by demonstrating what is possible.

What This Victory Says About Us—and What It Asks of Us

The Danish certification is a beacon of hope. It illuminates what humanity is capable of achieving when it decides, collectively and methodically, that a particular form of suffering is unacceptable and takes the necessary steps to eliminate it. Children are born free of a virus that could have condemned them before they even took their first breath. Mothers go through their pregnancies with the certainty that their HIV-positive status will not be transmitted. Families start out without this specific burden. These are real lives, real stories, and suffering that has been averted. And this is the direct result of decades of medical research, rigorous public health policies, and a collective commitment to leave no one behind. This victory deserves to be celebrated in full.

But it also imposes a responsibility. It compels us to look at the 130,000 children who will be infected this year worldwide, in countries where the tools exist but access is denied by inequalities in resources and political priorities. It compels us to look at the migrant women in Europe who still remain in the blind spots of healthcare systems. It compels us to ask: if Denmark can do it, why not the rest of the world? The answer is not medical. It is political. It is economic. It is moral. And if this Danish victory can serve any purpose beyond its borders, it is to make this question even more urgent, even more unavoidable. A world where no child is born with HIV because their mother is a carrier is possible. Denmark has just proven it. It remains to be decided whether this is a world we want to build.

I will remember this date. This moment when a country was able to say: here, this transmission no longer exists. This is not the end. It is an obligation—the obligation to ask ourselves why what Denmark has achieved remains an exception in the world. And not to rest until the answer changes.

The Promise of a Precedent

Major public health victories always have this dual effect: they prove that it is possible, and they make the inaction that follows even less excusable. The eradication of smallpox in 1980 proved that a disease could be permanently wiped off the map. The elimination of polio in nearly the entire world proved that paralyzing diseases could be reduced to extremely rare cases. And now, Denmark is proving that mother-to-child transmission of HIV can be eliminated in the context of a modern, diverse country. These precedents do not go unheeded. They fuel the ambition of epidemiologists, healthcare workers, activists, and policymakers working on these issues around the world. They fuel the conviction that progress is not an illusion but a real possibility, built by women and men who have decided not to accept the status quo. Denmark has just written a new chapter in this conviction. It is up to us to read it correctly.

Signed, Jacques Pj Provost