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Am J Infect Control ; 43(7): 702-6, 2015 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-25944726

RESUMO

BACKGROUND: Approximately 50% of norovirus cases in the United States occur in long-term care facilities; many incidences of rotavirus, sapovirus, and adenovirus also occur. The primary objectives of this study were to demonstrate movement of pathogenic viruses through a long-term care facility and to determine the impact of a hygiene intervention on viral transmission. METHODS: The coliphage MS-2 was seeded onto a staff member's hands, and samples were collected after 4 hours from fomites and hands. After 3 consecutive days of sample collection, a 14-day hygiene intervention was implemented. Hand sanitizers, hand and face wipes, antiviral tissues, and a disinfectant spray were distributed to employees and residents. Seeding and sampling were repeated postintervention. RESULTS: Analysis of the pre- and postintervention data was performed using a Wilcoxon signed-rank test. Significant reductions in the spread of MS-2 on hands (P = .0002) and fomites (P = .04) were observed postintervention, with a >99% average reduction of virus recovered from both hands and fomites. CONCLUSION: Although MS-2 spread readily from hands to fomites and vice versa, the intervention reduced average MS-2 concentrations recovered from hands and fomites by up to 4 logs and also reduced the incidence of MS-2 recovery.


Assuntos
Infecção Hospitalar/prevenção & controle , Transmissão de Doença Infecciosa/prevenção & controle , Higiene das Mãos/métodos , Instalações de Saúde , Controle de Infecções/métodos , Assistência de Longa Duração , Viroses/prevenção & controle , Fômites/virologia , Mãos/virologia , Humanos , Levivirus/isolamento & purificação , Modelos Teóricos , Estados Unidos
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