Why medical laboratories are central to Nigeria’s health security

Healthcare is often judged by what patients can see: hospitals, doctors, medicines, ambulances, and increasingly, sophisticated medical technologies. Yet some of the most consequential decisions in healthcare are made long before treatment begins. Every accurate diagnosis, every effective outbreak response, every successful disease control programme, and every evidence-based health policy depends on one often overlooked component of the health system: the medical laboratory.

This reality has become increasingly important as Nigeria confronts a more complex public health landscape. The country continues to face recurrent outbreaks of infectious diseases alongside a growing burden of non-communicable diseases, the accelerating threat of antimicrobial resistance (AMR), and an increasingly interconnected world where health threats can spread rapidly across borders. In this environment, the strength of Nigeria’s health system will depend not only on its capacity to treat disease but also on its ability to detect it accurately, monitor it continuously, and respond to it swiftly. Medical laboratories lie at the centre of that capability.

Yet despite their strategic importance, laboratory system strengthening has rarely been pursued as a coherent national reform agenda. Investments have often been driven by individual disease programmes or emergency responses rather than a long-term strategy that recognises diagnostic capacity as strategic health infrastructure. As Nigeria seeks to build a more resilient healthcare system, this fragmented approach is no longer sufficient.

Modern healthcare is fundamentally evidence-driven. Clinical decisions are only as reliable as the evidence upon which they are based, and that evidence is generated largely through laboratory diagnostics. While clinical judgement remains indispensable, laboratory confirmation provides the certainty that enables clinicians to prescribe appropriate treatment, reduce unnecessary medicine use, improve patient outcomes, and use scarce healthcare resources more efficiently.

The significance of laboratory medicine extends well beyond individual patient care. Laboratory systems function as the country’s health intelligence infrastructure. Every diagnostic result contributes to a broader understanding of disease patterns, emerging threats, and population health. Aggregated across thousands of healthcare facilities, laboratory data enables public health authorities to detect unusual disease trends, monitor outbreaks, evaluate interventions, and make informed policy decisions.

Nigeria’s experiences with COVID-19, Lassa fever, cholera, Ebola, Mpox, meningitis, and yellow fever have repeatedly demonstrated this reality. During the COVID-19 pandemic, the rapid expansion of molecular diagnostic capacity significantly strengthened the country’s ability to detect infections, monitor transmission, and guide public health interventions. The lesson extends far beyond pandemics: effective emergency response begins long before emergency measures are activated. It begins with the ability to generate timely, reliable, and actionable diagnostic evidence.

The same principle increasingly applies to routine healthcare. Nigeria is witnessing a steady rise in non-communicable diseases, including diabetes, hypertension, cardiovascular diseases, and cancer. These conditions require continuous monitoring, early detection, and accurate laboratory investigations that guide long-term treatment decisions. As the country’s disease profile evolves, access to quality diagnostic services will become increasingly important in improving outcomes while reducing avoidable healthcare costs.

Laboratory systems also underpin many of Nigeria’s most important public health programmes. Efforts to control HIV, eliminate tuberculosis, reduce malaria, improve maternal and child health, strengthen immunisation programmes, and manage sickle cell disease all depend on reliable diagnostic services. Laboratory data enables programme managers to monitor treatment outcomes, evaluate performance, identify implementation gaps, and allocate limited resources more effectively. Without robust diagnostic systems, even the best-designed health interventions struggle to achieve their intended impact.

The role of laboratories becomes even more critical in addressing AMR, one of the most significant health security threats of our time. The misuse and overuse of antibiotics continue to accelerate the emergence of resistant organisms, making common infections increasingly difficult and expensive to treat. Tackling this challenge requires more than regulating antibiotic use; it demands stronger diagnostic capacity that enables clinicians to prescribe antibiotics based on laboratory evidence rather than empirical judgement. Culture and antimicrobial susceptibility testing remain indispensable tools for antimicrobial stewardship and national AMR surveillance.

Beyond clinical care, medical laboratories are also central to scientific advancement, innovation, and economic development. Advances in molecular diagnostics, genomic surveillance, laboratory accreditation, and in vitro diagnostic regulation are expanding opportunities for research, local innovation, and the development of new diagnostic technologies. Strengthening laboratory systems therefore contributes not only to better healthcare but also to a more knowledge-driven and competitive health economy.

Despite their centrality, Nigeria’s laboratory ecosystem continues to face significant structural constraints. Many facilities operate with ageing equipment, inconsistent funding, workforce shortages, uneven implementation of quality management systems, and limited access to advanced diagnostic technologies. Laboratory information systems remain insufficiently integrated, while the migration of skilled professionals continues to weaken capacity across parts of the country.

Taken together, these challenges point to a broader policy problem. Nigeria’s laboratory capacity has expanded over time, but largely through programme-specific investments rather than a coordinated national strategy. The result is uneven infrastructure, fragmented quality systems, variable diagnostic capacity, and missed opportunities to build a more integrated laboratory network capable of supporting both routine healthcare and national health security.

Addressing this challenge will require more than increased public funding. It will require stronger collaboration across the entire diagnostic ecosystem. Much of Nigeria’s diagnostic capacity already resides within the private sector through hospitals, independent laboratories, diagnostic centres, manufacturers, academic institutions, and health technology innovators. Harnessing these complementary strengths demands sustained collaboration between government and private stakeholders, supported by shared quality standards, coordinated investment, workforce development, and innovation.

As the umbrella body for Nigeria’s private healthcare sector, the Healthcare Federation of Nigeria (HFN) is well positioned to catalyse this collaboration. Through its convening role, HFN can help align private-sector expertise with national priorities, strengthen dialogue between regulators, policymakers and diagnostic providers, promote quality improvement, support workforce development, and mobilise investment in laboratory infrastructure. Building a resilient laboratory ecosystem will ultimately depend not only on stronger regulation and public financing but also on coordinated partnerships that harness the full capabilities of Nigeria’s diagnostic sector.

Nigeria should, therefore, adopt a National Laboratory System Strengthening Agenda that recognises diagnostic capacity as strategic health infrastructure. Such an agenda should provide a coordinated framework for expanding laboratory infrastructure, strengthening workforce capacity, implementing internationally recognised quality standards, accelerating accreditation, integrating digital laboratory information systems, supporting research and innovation, and mobilising sustained public and private investment. Rather than treating laboratory strengthening as a collection of isolated projects, this approach would position diagnostics as a foundational pillar of national health security, no matter the level.

The Medical Laboratory Science Council of Nigeria has continued to provide an important regulatory foundation by promoting professional standards, quality assurance, accreditation, and effective oversight of medical laboratory practice. These efforts remain essential to strengthening public confidence in diagnostic services and ensuring that laboratory expansion is matched by high standards of quality, safety, and professional competence.

Medical laboratories rarely occupy the public spotlight. Their work is often invisible to the patients whose lives they help save and the communities they help protect. Yet they remain among the most important institutions underpinning modern healthcare. They generate the evidence that informs clinical care, strengthens disease surveillance, guides public health policy, supports scientific discovery, and enables effective emergency response.

Nigeria’s ability to diagnose disease is inseparable from its ability to protect lives, strengthen health security, and build public confidence in its healthcare system. The question is no longer whether medical laboratories matter. It is whether the country is prepared to treat diagnostic capacity as the strategic health infrastructure it has become. A National Laboratory System Strengthening Agenda that focuses on both public and private sector facilities offers a practical pathway for doing exactly that.

This article is a partnership between the Healthcare Federation of Nigeria (HFN) and BusinessDay to highlight policies and programmes to promote the rebuilding of Nigeria’s health sector. As a private sector-led coalition, HFN advocates for policies and partnerships to strengthen healthcare delivery. This partnership aims to spark meaningful discussions and drive transformative change in Nigeria’s health sector.

This article was developed with input from members of the HFN Editorial Committee, including:

Dr Donald Ofili (Register, Medical Laboratory Science Council of Nigeria),

Dr Jennifer Anyanti (2nd Vice President, Healthcare Federation of Nigeria, and Managing Director, SFH Advisory and Professional Services) and

Mrs Mark Doris Chinelo Callistus (Chairman, Lagos State Branch of the Guild of Medical Laboratory Directors (GMLD) and CEO, Agape Laboratories Services).