Existing epidemiological models of infectious respiratory diseases do not take into account physics,underlying disease transmission.
Svetaprovo Chaudhury, professor of engineering at the University of Toronto
But fluids and their dynamics are critical for the formation of pathogens that affect the transmission of infectious diseases.
Lydia Buruiba, Director of the Laboratory of Hydrodynamicstransmission of diseases at the Massachusetts Institute of Technology, explained that during exhalation, a person does not just release isolated droplets, a turbulent multiphase cloud comes out of it. It, according to Bouruiba, is crucial for expanding the range and changing the physics of droplet evaporation within this range.
Buruiba cited several infectiousdiseases, including COVID-19. When disease vectors are inhaled, this process involves varying air velocities - and this does not include droplets of saliva.
To calculate what time it isit takes viral droplets to get to you indoors, the team used mathematical equations commonly used in the perfume industry. The perfume that the person at the next table or booth has sprayed on themselves will reach your nose due to the turbulence in the air. In the same way, small droplets spread, which are scattered by the infected.
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