Windshield Washer Fluid Spray May be a Source of Legionnaires Disease
Published : 2014-05-19 - Updated : 2014-05-26
Author : American Society for Microbiology - Contact: Jim Sliwa - firstname.lastname@example.org - Ph. 202-942-9297
🛈 Synopsis : Form of bacteria responsible for respiratory illness including Legionnaires disease that may grow in windshield washer fluid was isolated from nearly 75% of school buses.
Main DigestA form of bacteria responsible for respiratory illness, including the deadly pneumonia known as Legionnaire's disease, may be able to grow in windshield washer fluid and was isolated from nearly 75% of school buses tested in one district in Arizona, according to research presented today at the annual meeting of the American Society for Microbiology.
A type of pneumonia caused by bacteria. You usually get it by breathing in mist from water that contains the bacteria. The mist may come from hot tubs, showers, or air-conditioning units for large buildings. The bacteria don't spread from person to person. Older adults, smokers and people with weakened immune systems are particularly susceptible to Legionnaires' disease. Patients with Legionnaires' disease usually have fever, chills, and a cough, which may be dry or may produce sputum. Some patients also have muscle aches, headache, tiredness, loss of appetite, loss of coordination (ataxia), and occasionally diarrhea and vomiting. Confusion and impaired cognition may also occur, as can a so-called 'relative bradycardia', i.e. low or low normal heart rate despite the presence of a fever. Current treatments of choice are the respiratory tract quinolones (levofloxacin, moxifloxacin, gemifloxacin) or newer macrolides (azithromycin, clarithromycin, roxithromycin). The antibiotics used most frequently have been levofloxacin and azithromycin. Macrolides are used in all age groups while tetracyclines are prescribed for children above the age of 12 and quinolones above the age of 18. Rifampicin can be used in combination with a quinolone or macrolide.
"Washer fluid spray can release potentially dangerous numbers of these bacteria into the air. These results suggest that automobiles may serve as a source of transmission for Legionella infections," says Otto Schwake, a doctoral student at Arizona State University, who presented the research.
Legionella are bacteria that are found naturally in the environment, usually in water. They are commonly associated with the cooling towers found in large-scale air conditioners and hot tubs. They are not spread from person to person but instead are transmitted via mist or vapor containing the bacteria. Most people exposed to the bacteria do not become ill, but in some people it can cause Legionnaires' disease, a severe form of pneumonia. The bacteria can also cause Pontiac fever, a milder illness resembling the flu.
The results presented come from a series of experiments conducted in the summer of 2012. Schwake and his colleagues attempted to grow Legionella bacteria in a variety of different washer fluid preparations. They found that the bacterial concentrations increased over time and they were able to maintain stable populations for up to 14 months. In the second study, they tested the washer fluid from school buses in central Arizona and found culturable Legionella in approximately 75% of the samples.
Although windshield washer fluid is not normally associated with spreading disease, Schwake says this project was begun after a series of epidemiological studies found motor vehicle use to be associated with increased risk for Legionnaires' disease. One such study attributed nearly 20 percent of Legionnaires' disease cases in the United Kingdom not associated with hospitals or outbreaks to automobile windshield washer fluid.
"This study is the first to detect high levels of Legionella in automobiles or aerosolized by washer fluid spray," says Schwake. "While potential transmission of a deadly respiratory disease from a source as common as automobile windshield washing systems is significant, the study also points to the fact people can be exposed to pathogens - particularly those occurring naturally in the environment - in previously unknown and unusual ways."
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- 5: Windshield Washer Fluid Spray May be a Source of Legionnaires Disease : Form of bacteria responsible for respiratory illness including Legionnaires disease that may grow in windshield washer fluid was isolated from nearly 75% of school buses.
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Journal: Disabled World. Language: English (U.S.). Author: American Society for Microbiology. Electronic Publication Date: 2014-05-19 - Revised: 2014-05-26. Title: Windshield Washer Fluid Spray May be a Source of Legionnaires Disease, Source: <a href=https://www.disabled-world.com/health/respiratory/pneumonia/legionnaires.php>Windshield Washer Fluid Spray May be a Source of Legionnaires Disease</a>. Retrieved 2021-04-13, from https://www.disabled-world.com/health/respiratory/pneumonia/legionnaires.php - Reference: DW#77-10327.