A comprehensive approach for evaluating the virucidal performance of domestic laundry detergents under practical conditions
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A comprehensive approach for evaluating the virucidal performance of domestic laundry detergents under practical conditions. / Konkol, Justyna E; Becker, Britta; Paulmann, Dajana; Steinmann, Eike; Todt, Daniel; Meister, Toni; Evers, Stefan; Weide, Mirko; Dotzauer, Andreas; Brill, Florian H. H.
In: J APPL MICROBIOL, Vol. 135, No. 3, lxae052, 01.03.2024.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - A comprehensive approach for evaluating the virucidal performance of domestic laundry detergents under practical conditions
AU - Konkol, Justyna E
AU - Becker, Britta
AU - Paulmann, Dajana
AU - Steinmann, Eike
AU - Todt, Daniel
AU - Meister, Toni
AU - Evers, Stefan
AU - Weide, Mirko
AU - Dotzauer, Andreas
AU - Brill, Florian H. H.
PY - 2024/3/1
Y1 - 2024/3/1
N2 - AimsWe aimed to develop a method to assess the virucidal performance of domestic laundry in a lab-scale washing machine (Rotawash) based on EN 17658.Methods and resultsFor method development, virus recovery was investigated after drying on cotton carriers for three test viruses murine norovirus (MNV), modified vaccinia virus Ankara (MVA), and bovine coronavirus (BCoV), followed by washing simulations in flasks and Rotawash. MNV and MVA demonstrated sufficient recovery from carriers after drying and washing (up to 40°C and 60 min). BCoV exhibited lower recovery, indicating less relevance as a test virus. Rotawash efficacy tests conducted with MNV, a resistant, non-enveloped virus, showed limited efficacy of a bleach-free detergent, aligning with results from a domestic washing machine. Rotawash washes achieved higher reductions in infectious virus titers than suspension tests, indicating the role of washing mechanics in virus removal.ConclusionsThis study established a practical method to test the virucidal efficacy of laundry detergents in Rotawash, simulating domestic washing.
AB - AimsWe aimed to develop a method to assess the virucidal performance of domestic laundry in a lab-scale washing machine (Rotawash) based on EN 17658.Methods and resultsFor method development, virus recovery was investigated after drying on cotton carriers for three test viruses murine norovirus (MNV), modified vaccinia virus Ankara (MVA), and bovine coronavirus (BCoV), followed by washing simulations in flasks and Rotawash. MNV and MVA demonstrated sufficient recovery from carriers after drying and washing (up to 40°C and 60 min). BCoV exhibited lower recovery, indicating less relevance as a test virus. Rotawash efficacy tests conducted with MNV, a resistant, non-enveloped virus, showed limited efficacy of a bleach-free detergent, aligning with results from a domestic washing machine. Rotawash washes achieved higher reductions in infectious virus titers than suspension tests, indicating the role of washing mechanics in virus removal.ConclusionsThis study established a practical method to test the virucidal efficacy of laundry detergents in Rotawash, simulating domestic washing.
U2 - 10.1093/jambio/lxae052
DO - 10.1093/jambio/lxae052
M3 - SCORING: Journal article
C2 - 38439676
VL - 135
JO - J APPL MICROBIOL
JF - J APPL MICROBIOL
SN - 1364-5072
IS - 3
M1 - lxae052
ER -