Legionella Testing Market Size & Share 2024 - 2032
Market Size by Test Type (Culture Methods, Urinary Antigen Test [UAT], Serology, Direct Fluorescent Antibody Test [DFA]), Application (Water Testing, IVD Testing), End Use (Hospitals & Clinics, Diagnostic Laboratories) – Global Forecast.
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Legionella Testing Market Size
Legionella Testing Market size was valued at around USD 316.8 million in 2023 and is anticipated to register a CAGR of around 8.6% between 2024 and 2032. Legionella testing refers to the process of detecting and identifying legionella bacteria in various environments, including water systems, clinical specimens, and other potential sources of contamination.
Legionella Testing Market Key Takeaways
Market Size & Growth
Key Market Drivers
Challenges
The increasing prevalence of pneumonia and legionella-related illnesses has become a major public health concern worldwide. Legionella bacteria, especially Legionella pneumophila, can cause severe respiratory infections such as Legionnaires' disease and Pontiac fever. For instance, as per the World Health Organization (WHO), in Europe, Australia, and the U.S., an estimated 10–15 cases are detected per million population each year. Among these reported cases, individuals over 50 years old account for 75–80%, while males make up 60–70% of the affected population.
Furthermore, governments and regulatory bodies around the world have implemented stringent regulations and guidelines for regular water testing, especially in high-risk environments such as healthcare facilities, hotels, nursing homes, and industrial settings. These regulations mandate the implementation of comprehensive water management plans, including routine legionella testing, to mitigate the risk of legionella contamination and protect public health.
Legionella Testing Market Trends
Legionella Testing Market Analysis
Based on test type, the market is segmented into culture methods, urinary antigen test (UAT), serology, direct fluorescent antibody test (DFA), polymerase chain reaction (PCR) testing, and other test types. The culture methods segment is estimated to account for USD 200.8 million by 2032.
Based on application the legionella testing market is segmented into water testing, invitro diagnostics (IVD)testing [which is estimated to reach USD 141 billion by 2032], and other applications. The water testing segment accounted for USD 193.6 million in 2023.
Based on end-use, the legionella testing market is segmented into hospital and clinics, water treatment plants, diagnostic laboratories, and other end-users. The water treatment plants segment held the largest business share of 45.3% in 2023. This substantial share can be attributed to the critical role that water treatment plants play in ensuring the safety and purity of water supplies by treating water from various sources.
In 2023, North America held a significant business share of 40.6% in the global legionella testing market and is predicted to witness substantial market growth over the analysis timeline.
Legionella Testing Market Share
The legionella testing industry is competitive in nature, with several large multinationals and small and mid-sized companies competing in the industry. The development and launch of novel advanced products based on different technologies is among a key market strategy. Some of the leading industry players including Bio-Rad Laboratories, Inc, Abbott Laboratories, Thermo Fisher Scientific Inc among others have a notable presence in the market.
Legionella Testing Market Companies
Some of the eminent market participants operating in the legionella testing industry include:
Legionella Testing Industry News:
The legionella testing market research report includes an in-depth coverage of the industry with estimates & forecast in terms of revenue in USD Million from 2018 – 2032 for the following segments:
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Market, By Test Type
Market, By Application
Market, By End-use
The above information is provided for the following regions and countries:
Research methodology, data sources & validation process
This report draws on a structured research process built around direct industry conversations, proprietary modelling, and rigorous cross-validation and not just desk research.
Our 6-step research process
1. Research design & analyst oversight
At GMI, our research methodology is built on a foundation of human expertise, rigorous validation, and complete transparency. Every insight, trend analysis, and forecast in our reports is developed by experienced analysts who understand the nuances of your market.
Our approach integrates extensive primary research through direct engagement with industry participants and experts, complemented by comprehensive secondary research from verified global sources. We apply quantified impact analysis to deliver dependable forecasts, while maintaining complete traceability from original data sources to final insights.
2. Primary research
Primary research forms the backbone of our methodology, contributing nearly 80% to overall insights. It involves direct engagement with industry participants to ensure accuracy and depth in analysis. Our structured interview program covers regional and global markets, with inputs from C-suite executives, directors, and subject matter experts. These interactions provide strategic, operational, and technical perspectives, enabling well-rounded insights and reliable market forecasts.
3. Data mining & market analysis
Data mining is a key part of our research process, contributing nearly 20% to the overall methodology. It involves analysing market structure, identifying industry trends, and assessing macroeconomic factors through revenue share analysis of major players. Relevant data is collected from both paid and unpaid sources to build a reliable database. This information is then integrated to support primary research and market sizing, with validation from key stakeholders such as distributors, manufacturers, and associations.
4. Market sizing
Our market sizing is built on a bottom-up approach, starting with company revenue data gathered directly through primary interviews, alongside production volume figures from manufacturers and installation or deployment statistics. These inputs are then pieced together across regional markets to arrive at a global estimate that stays grounded in actual industry activity.
5. Forecast model & key assumptions
Every forecast includes explicit documentation of:
✓ Key growth drivers and their assumed impact
✓ Restraining factors and mitigation scenarios
✓ Regulatory assumptions and policy change risk
✓ Technology adoption curve parameter
✓ Macroeconomic assumptions (GDP growth, inflation, currency)
✓ Competitive dynamics and market entry/exit expectations
6. Validation & quality assurance
The final stages involve human validation, where domain experts manually review filtered data to identify nuances and contextual errors that automated systems might miss. This expert review adds a critical layer of quality assurance, ensuring data aligns with research objectives and domain-specific standards.
Our triple-layer validation process ensures maximum data reliability:
✓ Statistical Validation
✓ Expert Validation
✓ Market Reality Check
Trust & credibility
Verified data sources
Trade publications
Security & defense sector journals and trade press
Industry databases
Proprietary and third-party market databases
Regulatory filings
Government procurement records and policy documents
Academic research
University studies and specialist institution reports
Company reports
Annual reports, investor presentations, and filings
Expert interviews
C-suite, procurement leads, and technical specialists
GMI archive
13,000+ published studies across 30+ industry verticals
Trade data
Import/export volumes, HS codes, and customs records
Parameters studied & evaluated
Every data point in this report is validated through primary interviews, true bottom-up modelling, and rigorous cross-checks. Read about our research process →