Control of Airborne Infectious Diseases in Ventilated Spaces

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Abstract

We protect ourselves from airborne cross-infection in the indoor environment by supplying fresh air to a room by natural or mechanical ventilation. The air is distributed in the room according to different principles: mixing ventilation, displacement ventilation, etc. A large amount of air is supplied to the room to ensure a dilution of airborne infection. Analyses of the flow in the room show that there are a number of parameters that play an important role in minimizing airborne cross-infection. The air flow rate to the room must be high, and the air distribution pattern can be designed to have high ventilation effectiveness. Furthermore, personalized ventilation may reduce the risk of cross-infection, and in some cases, it can also reduce the source of infection. Personalized ventilation can especially be used in hospital wards, aircraft cabins and, in general, where people are in fixed positions
Original languageEnglish
JournalJournal of the Royal Society Interface
Volume6
Issue numberSupplement 6
Pages (from-to)747-756
ISSN1742-5662
Publication statusPublished - 9 Sep 2009

Keywords

  • Airborne disease
  • Cross infection
  • Ventilated spaces
  • Room air distribution
  • Indoor invironment

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