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Updated: Jun 25, 2026

Biosensor for Detection of Antibiotic Resistant Staphylococcus Bacteria
Published on: May 8, 2013
Are toilet seats a vector for transmission of methicillin-resistant Staphylococcus aureus?
Mary Anne Giannini1, Donna Nance, Jonathan A McCullers
1Infection Control Program, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
Abstract:
We studied the bacterial burden on toilet seats in a children's cancer hospital to validate a policy requesting that immunocompromised children use alcohol wipes on the seats prior to use of the toilets. Methicillin-resistant Staphylococcus aureus (MRSA) was recovered from 3.3% of hospital toilets when wipes were not in use. Use of wipes resulted in a 50-fold reduction in mean daily bacterial counts and eliminated MRSA.
Insights
Alcohol wipes significantly reduce bacterial counts on hospital toilet seats. This intervention eliminated Methicillin-resistant Staphylococcus aureus (MRSA), crucial for protecting immunocompromised children.
Area of Science:
- Microbiology
- Infection Control
- Hospital Hygiene
Background:
- Hospital environments pose risks to immunocompromised patients.
- Toilet seats can harbor pathogenic bacteria, including MRSA.
- Effective hygiene protocols are essential in pediatric cancer care.
Purpose of the Study:
- To assess the bacterial burden on toilet seats in a children's cancer hospital.
- To validate a policy requiring alcohol wipe use on toilet seats by immunocompromised children.
- To determine the efficacy of alcohol wipes in reducing bacterial contamination.
Main Methods:
- Bacterial cultures were taken from hospital toilet seats.
- Quantified bacterial counts before and after implementing the alcohol wipe policy.
- Specifically tested for the presence of Methicillin-resistant Staphylococcus aureus (MRSA).
Main Results:
- Methicillin-resistant Staphylococcus aureus (MRSA) was detected on 3.3% of toilets prior to the policy.
- Implementing alcohol wipes led to a 50-fold decrease in average daily bacterial counts.
- The use of alcohol wipes successfully eliminated MRSA from toilet seats.
Conclusions:
- Alcohol wipes are highly effective in reducing bacterial load on toilet seats.
- This intervention significantly enhances hygiene and safety for immunocompromised children.
- The policy of using alcohol wipes is validated as a crucial infection control measure.
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