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Hull, D., Rennie, P., Noronha, A., Poore, C., Harrington, N., Fearnley, V. and Passàli, D. (2007) Effects of Creating a Non-Specific, Virus-Hostile Environment in the Nasopharynx on Symptoms and Duration of Common Cold. Acta Otorhinolaryngologica Italica, 27, 73-77.

has been cited by the following article:

• TITLE: Evaluation of ColdZyme Mouth Spray against Common Cold in Preschool Staff

  AUTHORS: Mats Clarsund

  KEYWORDS: Common Cold, Preschool, ColdZyme® Mouth Spray

  JOURNAL NAME: Open Journal of Respiratory Diseases, Vol.7 No.4, October 16, 2017

  ABSTRACT: The common cold is one of the most frequently encountered infectious diseases in humans and, despite the modest severity in most cases; it presents a significant economic burden upon society and individuals. ColdZyme® Mouth Spray (ColdZyme®, Enzymatica AB, Lund, Sweden) is a mouth spray intended to reduce the probability of catching a cold and can also help shorten the duration of a cold if used at an early stage of the infection, by forming a barrier on the oropharyngeal mucous membrane. This study evaluated the effect of ColdZyme® on common cold related sick-leave in preschool (kindergarten) staff. Fifteen preschool staff members were evaluated over a 6-month period and ColdZyme® was used according to instructions. Sick-leave days were recorded and compared to historical data. The number of average sick leave days decreased during the period from 7.4 days to 4.1 days (p = 0.04). It is notable that, if occurring, the majority of subjects perceived a common cold infection as milder than usual. Conclusion: Using ColdZyme® to apply a barrier to the pharyngeal mucous membrane may be an easy and practical way to prevent or reduce infections and corresponding sick leave in personnel from the preschool environment.