According to a study by IBM Research Europe, choosing to sit in a call center may increase or decrease the risk of SARS-CoV-2 infection, the Jerusalem Post reports.

The study model included factors such as aerodynamics, droplets, evaporation, and the effects of ventilation systems. The main thing to avoid, according to scientists, is to avoid middle seats.

The researchers designed a simulated vehicle using a group of 3 to 3 passengers in endless rows in a rectangular space. Then the places in the classroom were examined to see where there was the greatest risk of transmission of the virus.

Scientists found that air droplets emitted by passengers sitting on the window flew to the top of the car, thus attacking the space of other passengers to a lesser extent. As expected, the middle seat represents the greatest risk of transmission.

Sitting in the aisle was less exposed to light, as this is where the ventilation system collects the emitted droplets most effectively. Drops emitted from the traffic site were immediately filtered.

The team recreated conditions that better reflect the diversity of human activity in public transportation in complementary models to advise on the operation, design and maintenance of future ventilation systems to ensure a safer environment.

“This simulation focused on public transportation vehicles but could extend to commercial or residential buildings, healthcare facilities, offices or schools,” study author Carlos Pena-Monferrer commented.

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