Legionella Testing Market Size, Share & Trends Analysis Report, 2025–2030
The global legionella testing market size was estimated at USD 343.2 million in 2024 and is projected to reach USD 547.4 million by 2030, growing at a CAGR of 8.2% from 2025 to 2030. This notable growth is primarily driven by the rising incidence of Legionella-related illnesses and an increased global awareness regarding the importance of preventive management and early detection.
Legionella bacteria are known to cause Legionellosis, a serious respiratory illness that manifests as a form of pneumonia. The disease often demands intensive medical care and hospitalization, thereby making it a significant public health concern. As the prevalence of diseases caused by bacterial infections continues to rise, governments around the world are progressively adopting and implementing comprehensive public health programs aimed at protecting communities from such threats. This proactive approach is expected to act as a major catalyst for the expansion of the legionella testing market.
Additionally, the surge in reported cases of Legionnaires’ disease in various regions, especially across Europe, has further intensified the demand for efficient and reliable legionella testing solutions. A notable example is the outbreak reported in Austria’s Vorarlberg region, as documented in the Communicable Disease Threats Report by the European Center for Disease Prevention and Control during the week of 22–28 February 2025. Such outbreaks underscore the critical need for robust testing methods to monitor and control the spread of Legionella bacteria, thereby driving growth in this market.
Key Market Trends & Insights:
• The Asia Pacific region is anticipated to experience the fastest growth in the legionella testing market, with a compound annual growth rate (CAGR) of 9.5% expected during the forecast period. This rapid expansion reflects the increasing focus on public health measures and improved diagnostic capabilities across countries within this region.
• Within the Asia Pacific market, China held a significant and substantial revenue share of the regional legionella testing industry in 2024, highlighting its prominent role as a key market driver in this area. This dominance is attributed to China’s large population base, growing healthcare infrastructure, and heightened efforts to monitor and control infectious diseases.
• When analyzing the market by type of testing, the water testing segment emerged as the leading contributor, accounting for a commanding 76.8% of the total revenue share in 2024. This segment’s dominance can be linked to the critical need for monitoring water sources to prevent the spread of Legionella bacteria, given that contaminated water is a primary transmission route.
• In terms of end-use technology, the PCR (polymerase chain reaction) segment held the largest revenue share in the legionella testing industry in 2024. PCR technology is widely favored due to its high sensitivity, accuracy, and rapid turnaround time, making it an essential tool for detecting Legionella in various samples and contributing significantly to the market’s growth.
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Market Size & Forecast:
• 2024 Market Size: USD 343.2 Million
• 2030 Projected Market Size: USD 547.4 Million
• CAGR (2025-2030): 8.2%
• Europe: Largest market in 2024
Key Companies & Market Share Insights:
The global legionella testing industry is dominated by several key players, including Abbott, Beckman Coulter, Inc. (a subsidiary of Danaher Corporation), BD, BIOMÉRIEUX, F. Hoffmann-La Roche Ltd., and others. These leading market participants place a strong emphasis on innovation, dedicating significant resources to research and development in order to develop and deliver advanced, technology-driven diagnostic solutions. This strategic focus allows them to enhance their market positioning and better meet the evolving demands of the legionella testing market.
Abbott is recognized as a major player in the global diagnostics arena and holds a significant presence within the legionella testing sector. The company offers rapid and reliable diagnostic tools, including the BinaxNOW Legionella Urinary Antigen Card, which facilitates the presumptive diagnosis of Legionella-related diseases. This product provides healthcare providers with timely and effective diagnostic capabilities, supporting early intervention and management.
On the other hand, Beckman Coulter, Inc., operating under the umbrella of Danaher Corporation, specializes in biomedical testing products. The company provides a range of microbiology panels, systems, and analyzers designed to support accurate detection of bacterial infections. Additionally, Beckman Coulter supplies products and reagents specifically used in Legionella urinary antigen testing, further contributing to the precision and efficiency of diagnostic procedures in the legionella testing market.
Key Players
• Abbott
• Beckman Coulter, Inc. (Danaher Corporation)
• BD
• Bio-Rad Laboratories, Inc.
• BIOMÉRIEUX
• Eiken Chemical Co., Ltd.
• Hologic, Inc
• Pro Lab Diagnostics Inc.
• QIAGEN
• F. Hoffmann-La Roche Ltd.
• Takara Bio Inc.
• Thermo Fisher Scientific Inc.
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Conclusion:
The global legionella testing market is experiencing significant growth, driven by the increasing incidence of Legionella-related illnesses and heightened awareness about preventive healthcare. Governments worldwide are implementing stringent regulations and safety standards, particularly in water systems, to mitigate the risks associated with Legionella bacteria. Technological advancements in diagnostic methods, such as PCR and point-of-care testing, are enhancing the speed and accuracy of detection, further propelling market expansion. As public health initiatives intensify and diagnostic technologies evolve, the demand for effective legionella testing solutions is expected to continue rising, positioning the market for sustained growth in the coming years.
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