How to avoid infection when taking the subway or elevator? Japanese program actual test: This position is the safest

As of now (3/4), Taiwan has confirmed 42 cases of new coronavirus pneumonia***, among which there have been unexplained infections. Although it has not reached the standard of community transmission, many experts have pointed out that The previous propaganda by *** that "healthy people do not need to wear masks" is no longer applicable. Now it is better to wear a mask when going out as much as possible. How to protect yourself when going out?

As the epidemic continues to heat up, although everyone has tried to reduce going out as much as possible, they still need to go out for work every day, and it is inevitable to take public transportation, such as MRT, trains, high-speed rail, etc.

Japan's Fuji TV "Live News it!" invited Masashi Yamakawa, associate professor at Kyoto Institute of Technology, to analyze the problem of virus spread in subway carriages. The program actually measured how the virus spreads in the carriage

Associate Professor Yamakawa said, "The spread of the virus will be affected by the air conditioner," which means that the virus in the carriage will be spread through the central air conditioner. Image source: Cut from the FNN official website

The program also carefully analyzed the dangerous and safe places in the carriage. Professor Yamakawa said, "If there is a virus in the air, it will float and spread in the direction of the air conditioner on the ceiling."

Image source: taken from FNN official website

Said "Standing "Near the car door" is the most dangerous place because when passengers are crowded and standing near the door, the air conditioner will have difficulty flowing freely and the virus will be concentrated above the crowd. Image source: Taken from the FNN official website

Because the coronavirus is relatively large, it usually sinks down and lands near the passengers’ heads. If you touch your eyes, mouth, or nose at this time, you may be infected. infected. In contrast, passengers sitting on their seats are in a safer place. Picture source: taken from the FNN official website. It is safer to take the elevator in the innermost part of the station

Common confined spaces include elevators. Professor Yamakawa said that because the space in the elevator is very even, in theory, the risk of infection for each passenger is Not much difference. Image source: Cut from FNN official website

However, there is one thing to note, that is, for people who want to go to higher floors or stay for a longer time, it will be safer to stand in the innermost position, because when When someone coughs or sneezes, droplets will be sprayed forward. Standing further back can reduce the chance of infection.