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investigated 7 cases of Legionnaire's disease at the McLaren Macomb Hospital



(WXYZ) – Macomb County Department of Health and Michigan Department of Health officials investigate seven possible cases of Legionnaires' disease at Mclaren Macomb Hospital.

Cases reported since the end of July Six of the seven cases have been reported since mid-September.

Officials stress that the investigation is ongoing and no source has been identified. The hospital cooperates and publishes the following statement:

Like many communities in our state, Macomb County has seen a rise in the number of legionnaire diagnoses in recent months, with 45 cases this year and 96 cases in the US last 1

2 months.

Seven of these cases have been diagnosed in patients who have been in our facility since the end of July. Although the investigation is ongoing and no clear source has been identified, we respond with great caution and work with the Macomb County Department of Health to identify hospital target areas where additional water management precautions can be taken (installation of filters , Removal of aerators, provision of bottled water).

Although our on-going water test program reveals no signs of Legionella growth (the bacteria that cause Legionnaires' disease), we will increase the frequency of water tests in our lab. The Macomb Health Authority recalls that Legionnaires' disease is an infection of the Legionnaires' Disease Respiratory system with symptoms such as fever, cough and radiological findings associated with pneumonia.

Legionella Bacteria occur naturally in freshwater springs. The organism can multiply in artificial water systems such as cooling towers, ornamental fountains, whirlpools and large domestic installation systems. When Legionella grow and multiply in a building water system, water containing Legionella can spread into droplets small enough for humans to breathe. People can become ill with Legionnaires disease by inhaling small droplets of water in the air that contains the bacteria.

People at higher risk for LD include those who are 50 years or older; have a current or past smoker story; or an underlying disease or condition such as chronic lung disease, kidney or liver failure, diabetes, systemic malignancies or immune system disorders due to drugs or diseases. Recent travel and overnight stays in hospitals or other healthcare facilities can increase a person's risk of LD exposure.

For more information about LD, see the CDC website at

CDC.gov/legionella [links.govdelivery.com]

.

They are also working to identify other potentially infected patients.

Here is some information on Legionnaires and Legionella released by the Health Department:

LD is a respiratory tract infection caused by Legionella bacteria. LD is a severe infection that includes symptoms of fever, cough and radiographic findings related to pneumonia. Legionella occur naturally in freshwater springs. The organism can multiply in artificial water systems such as cooling towers, ornamental fountains, whirlpools and large domestic installation systems.

After legionella have grown and multiply in a domestic water system, water containing legionella can spread into droplets small enough for humans to inhale. People can get LD if they breathe small water droplets into the air that contain the bacteria.

Persons at higher risk for LD include those who are 50 years or older; have a current or past smoker story; or an underlying disease or condition such as chronic lung disease, kidney or liver failure, diabetes, systemic malignancies or immune system disorders due to drugs or diseases. Recent travel and accommodation in hospitals or other healthcare facilities can increase the risk of exposure to LD.

Patients with pneumonia should be screened for LD if they have any of the following: [19659018] Ambulatory antibiotic treatment failed due to community-acquired pneumonia.
become immunocompromised.
Will be brought to the ICU within 10 days of onset of symptoms.
Were treated recently in the hospital.
Pneumonia ≥ 48 hours after hospitalization.

If you are concerned about possible symptoms of pneumonia, consult your GP. More information about LD can be found on the CDC website at

cdc.gov/legionella

.

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