Inactivation of Human Norovirus by Common Domestic Laundry Procedures
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Davina Lemm
, Nadine Merettig , Ralf Lucassen and Dirk P. Bockmühl
Abstract
Today, noroviruses (NoV) are the world's most common cause of human gastroenteritis. Because of its low infectious dose and its ability to persist in the environment, the virus can be easily transmitted from person-to-person. In addition, surfaces like toilet seats, door handles or clothes worn by infected patients might serve as transmission vectors. Although environmental contamination plays a big role in the spread of the virus, little is known about how contaminated surfaces and textiles can be cleaned efficiently to prevent infections. To estimate the lifelike situation, textiles were contaminated with NoV-containing stool and washed in a normal household machine using laundry detergents with or without activated oxygen bleach at different temperatures. The obtained results show that a sufficient inactivation of NoV-contaminated fabric requires a washing temperature of at least 60°C, even if a detergent with activated oxygen bleach is used.
Kurzfassung
Noroviren (NoV) sind heutzutage die häufigste Ursache für die humane Gastroenteritis. Aufgrund seiner geringen Infektionsdosis und seiner Überlebensfähigkeit in der Umwelt kann das Virus leicht von Mensch zu Mensch übertragen werden. Des Weiteren können Oberflächen wie Toilettensitze, Türgriffe oder Kleidung, die von infizierten Patienten benutzt bzw. getragen werden, als Übertragungsvektoren dienen. Obwohl die Übertragung in der Umwelt eine große Rolle bei der Verbreitung des Virus spielt, ist wenig darüber bekannt, wie kontaminierte Oberflächen und Textilien effizient gereinigt werden können, um so eine Infektion zu verhindern. Zur Einschätzung einer realistischen Situation wurden Textilien mit NoV-enthaltenem Fäzes kontaminiert und in einer normalen Haushaltwaschmaschine bei verschiedenen Temperaturen gewaschen. Dabei wurden Waschmittel verwendet, die keine oder aktivierte Sauerstoffbleichen enthielten. Die Ergebnisse zeigten, dass für eine ausreichende Inaktivierung der mit NoV kontaminierten Gewebe eine Waschtemperatur von wenigstens 60°C notwendig ist, selbst wenn man ein Waschmittel mit aktvierter Sauerstoffbleiche einsetzt.
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© 2014, Carl Hanser Publisher, Munich
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Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Inactivation of Human Norovirus by Common Domestic Laundry Procedures
- Dispersion of Bioactive Glass using Cetyltrimethylammonium Bromide
- Novel/“Green” Surfactants
- Amphiphilic Choline Carboxylates as Demulsifiers of Water-in-Crude Oil Emulsions
- Synthesis and Antitumor and Surface Activity of Novel Tetrachloro Metallate Complexes of Sulfaquinoxaline with Co(II), Cu(II), or Sn(II) Chlorides
- Micellar Chemistry
- Combination of Best Promoter and Micellar Catalyst for Cr(VI) Oxidation of Lactose to Lactobionic Acid in Aqueous Medium at Room Temperature
- Physical Chemistry
- Cloud Point Extraction of Polycyclic Aromatic Hydrocarbons in Aqueous Solution with Nonionic Surfactants
- Influence of Alcohols on Micellar and Release Balances of Cationic Surfactant – Carbethopendecinium Bromide (Septonex)
- Synthesis
- Synthesis and Characterization of Series of Soft-Template Agents for Mesoporous Materials
- The Role of Surface Active Agents in Sulfonation of Double Bonds