Legionella News and Research

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New Legionella testing selective agar plates launched by AnalytiChem

AnalytiChem, manufacturer of specialized laboratory equipment, reagents and consumables, has launched a new addition to its high-quality Redipor® microbiological prepared media portfolio.

From AnalytiChem 24 Mar 2026

Disinfectant used in water treatment may impact the incidence of Legionnaire's disease

Preliminary results of a nationwide study suggest that the disinfectant used to treat water before it is distributed through pipes may impact the incidence of Legionnaire's disease in certain parts of the country.

9 Dec 2025

Griffith study finds Legionella exposure extends beyond air conditioners

There is a common misconception that legionella is only found in air conditioners and water towers, however, Griffith University research has found people are likely exposed to the bacteria through other sources including through soil.

5 Sep 2025

New Swiss study probes lingering fatigue after Legionnaires' disease

Researchers in Switzerland launched the LongLEGIO study to compare the long-term health impacts of Legionnaires’ disease and other bacterial pneumonias. Baseline data reveal key differences in comorbidities and quality of life between the groups, with follow-up underway.

4 Aug 2025

Swimming in lakes may increase risk of Legionella infection

Swimming in some lakes with still water can lead to infection with Legionella, bacteria that can cause pneumonia, and people who engage in open water swimming should be aware of this risk, say the authors of a practice article published in CMAJ.

18 Feb 2025

Silver-containing showerheads may promote biofilms and microbial diversity

To guard against harmful waterborne pathogens, many consumers, including managers of health-care facilities, install antimicrobial silver-containing showerheads. But in ACS ES&T Water, researchers now report that these fixtures are no "silver bullet."

19 Dec 2024

Partnership with Microsaic Systems for Optimer-enabled water monitoring

New binders will be developed to multiple waterborne pathogens. Optimer will support continuous water monitoring for rapid detection.

From Aptamer Group 14 Jun 2024

Using whole genome sequencing to identify non-culturable Legionella

Legionnaires' disease (LD), a rare and severe type of pneumonia, is a respiratory infection caused by species of Legionella bacteria.

21 Mar 2024

OHSU study sheds light on ubiquitin modification during bacterial infection

New research from Oregon Health & Science University could one day lead to therapies that prevent or treat diseases and infections tied to a protein that's found in all human cells.

12 Dec 2023

Doxycycline use may help protect against C. diff infection for some patients with pneumonia

A new study published today in the American Journal of Infection Control (AJIC) reveals that the use of doxycycline may help protect against Clostridioides difficile (C. diff) infection for some patients with pneumonia.

2 Nov 2023

Water distribution cabinets with floor heating pose Legionnaires' disease risk

Researchers at the Norwegian science institute SINTEF have been testing different types of water distribution cabinets.

30 Oct 2023

Microbiome composition influences severity of Legionnaires' disease

Pneumonia is an infection of the lung alveoli caused by bacteria, viruses or fungi. It is one of the leading causes of morbidity and mortality worldwide, representing a clinical and economic burden and a global public health problem.

13 Sep 2023

The impact of medicinal plants on the gut microbiome in cancer

Researchers evaluate the associations between medicinal plants, the gut microbiome, and cancer.

2 Aug 2023

New collaboration to investigate forms of RNA modification

Universität Mainz Institute of Pharmaceutical and Biomedical Sciences of Mainz University to collaborate with Monash University and ETH Zurich to investigate forms of RNA modification.

27 Jul 2023

Researchers report on the largest cohort of patients tested using plasma mcfDNA sequencing for pathogen detection

Researchers identified a wide variety of pathogenic organisms using plasma mcfDNA sequencing.

16 Jan 2023

Evaluating dual direct-acting antivirals against persistent COVID-19

Researchers assessed the efficiency of dual direct-acting antivirals in treating persistent coronavirus disease 2019 (COVID-19).

7 Nov 2022

Lower risk of colorectal cancer associated with dietary flavanone and anthocyanidin intake, according to new research

In a new study, researchers assessed the risk of colorectal cancer (CRC) with the intake of flavonoids.

31 Oct 2022

Anthelmintic inhibits exacerbated inflammatory response related to COVID-19 in preclinical research

Experiments involving animals and human cells conducted at the University of São Paulo (USP) in Brazil suggest that niclosamide, an anthelmintic widely used against tapeworms, effectively inhibits SARS-CoV-2 replication as well as the exacerbated inflammatory response that leads to death in many patients with severe COVID-19.

21 Oct 2022

UW Medicine identifies a case of Legionella pneumonia

A patient treated in September at UW Medical Center-Montlake was diagnosed with Legionella pneumonia presumed to be a healthcare-associated infection.

7 Oct 2022

How can Legionella pneumophila transmit through the hot water plumbing of residences and office buildings?

Researchers investigate the transmission of the causative agent of legionellosis, Legionella pneumophila, through hot water plumbing systems in commercial and residential buildings.

8 Sep 2022