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Tags: bacteria | klebsiella oxytoca | washing machine

Antibiotic-Resistant Bacteria Can Be Breeding in Your Washing Machine

washing machine
(Picstudio/Dreamstime.com)

Friday, 04 October 2019 10:24 AM EDT

Your energy-efficient washing machine could be harboring "superbug" antibiotic-resistant bacteria, a new study warns.

The warning follows an investigation at a German hospital where drug-resistant Klebsiella oxytoca was repeatedly infecting newborns. Investigators traced the outbreak to a washing machine, and the infections stopped only after it was taken away.

"This is a highly unusual case for a hospital, in that it involved a household-type washing machine," said study first author Dr. Ricarda Schmithausen, a senior physician at the Institute for Hygiene and Public Health at the University of Bonn.

Hospitals usually use special washing machines with high temperatures and added disinfectants. Home washing machines clean at lower temperatures that save energy but may not kill drug-resistant germs, researchers warn.

They said the K. oxytoca that sickened the newborns was transmitted from the washer to knitted caps and socks used to keep babies warm.

It's unclear how the drug-resistant germs got into the washing machine, but researchers suspect they probably lived in water that didn't drain completely after a washing.

They said washing machines should to be redesigned to prevent residual water from accumulating where germs can grow and contaminate clothes.

The report was recently published in the journal Applied and Environmental Microbiology.

What should consumers do to avoid this type of outbreak? The study's co-author had advice for households with patients.

"If elderly people requiring nursing care with open wounds or bladder catheters, or younger people with suppurating [pus-filled] injuries or infections live in the household, laundry should be washed at higher temperatures, or with efficient disinfectants, to avoid transmission of dangerous pathogens," said Dr. Martin Exner, from the University of Bonn.

"This is a growing challenge for hygienists, as the number of people receiving nursing care from family members is constantly increasing," Exner said in a journal news release.

© HealthDay

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Health-News
Your energy-efficient washing machine could be harboring "superbug" antibiotic-resistant bacteria, a new study warns.
bacteria, klebsiella oxytoca, washing machine
300
2019-24-04
Friday, 04 October 2019 10:24 AM
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