Simulator predicts risk of contagion inside buildings

Simulator predicts risk of contagion inside buildings


A scientist from the Faculty of Science and Technology of the University of Coimbra (FCTUC), developed a simulator "capable of predicting the amount of SARS-CoV-2 virus inhaled by people in indoor environments", was announced today.

The simulator, called “Covid-19 – exposure dose calculator”, was developed by scientist Manuel Gameiro da Silva.

According to the University of Coimbra (UC), “considering the intensity of the source, the size of the space, the existing air flow – which can attenuate the viral load -, the use or not of a mask and the expected residence time”, the computer model developed by the FCTUC researcher, "manages to determine the amount of virus inhaled during the period of stay in that environment".

The professor, quoted in a press release sent to the Lusa agency, says that the tool can be “very useful” for the management of buildings (schools, offices, etc.), because “it can predict the most diverse scenarios, thus enabling the adoption measures to avoid the risk of contagion ”.

“Imagine a classroom: knowing the size of the room, the students who will be attending, the duration of the class and the air flow in the space, the simulator allows to predict the level of exposure to which each user will be subject at each moment , which allows taking measures to mitigate the risk, for example, opening windows to renew the air or reducing the time spent in the classroom ”, exemplifies Manuel Gameiro da Silva.

The advantage “is that it simultaneously simulates the evolution of virus concentrations and metabolic CO2, based on the set of factors that are important in the covid-19 transmission chain, allowing a more informed approach in decision-making related to the management of buildings and their equipment ”, adds the FCTUC scientist.

The researcher “now intends to adapt the model to a simple and intuitive App (computer application), so that any citizen can use this tool”, concludes the UC.

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