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....