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Six months in pandemic coronavirus, there are accepted truths on the best ways to limit the spread of COVID-19. Handwashing, masking and social distancing remain vital practices to stay safe, as well asKeep personal interactions with the person outside as soon as possible. After all, it was reported that 97% ofSuper-spreader events take place inside. However, the interior places do not all pose the same amount of risk.The New York Times revealed that in the middle of the pandemic,New York metro cars in the city are actually safer than most covid restaurants and classrooms, because of his ventilation system that moves from the air in a train car.

"TheRecycled air on metro cars is replaced On average at least 18 times an hour, much higher than the exchange rate recommended for offices, which is six to eight times an hour, or classrooms, which is three to four times an hour, "according toThe temperature. This means that the air in New York City metro cars is cleaned three times more frequently than the air in restaurants and six times more than the air of schools.

Theventilation units In the majority of metro cars replace the air inside the outside car, according toThe temperature. "The air is constantly sucked through vents, cooled and filtered before being rejected through ducts," explains the log. "The outside air is shot in the system, combined with the existing and released mixture in the car through the duct panels."Filters in these ventilation systems are designed to increase the air collection potentially filled with germs.

An April study of scientists from the University of Colorado, Boulder, found thatVentilation systems that are improved by particulate filtration are the most effective in keeping people from Covid-19. The reason these filters are so important is that the virus canspread by droplets contaminated in the air-So If a suburbs exhales of aerosolized droplets containing the virus, another traveler can inhale them and catch the disease. But the flow of continuous air through the vents of the metro cars considerably limits the virus particles of the construction and thus prevents them from infecting other people. "

The extremely trafficked and poorly ventilated interior places are one of the worst places where the pandemic. A June study published by the National Institute of Health revealed that "Airborne transmission plays a deep role"In the propagation of Covid-19, especially in confined spaces. That's whyChurches and bars share the same high risk To broadcast the virus, and this is where adequate ventilation comes into play.

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In a report on theImportance of ventilation,Atlantic Paraphrased Virginia Tech TeacherLinsey Marr, PHD, noting, "If the aerosols are crucial, we should focus as much on ventilation as on distancing, masks and handwashing, that all agreements agree important.

The crowded metro cars were both thought of being a main reason for thePropagation of the epidemic In New York, but according to the latter report, they may not be as dangerous as we previously thought. And for riskier behaviors to avoid, seeThis is how your risk of COVID is high on your daily behavior.