3 ms·

So there is no advantage at all having some filter on top of the train, pushing the air from top or bottom to the other direction? I would assume that those dr

by sigi45 8y ago

So there is no advantage at all having some filter on top of the train, pushing the air from top or bottom to the other direction? I would assume that those droplet infections should become less.

adrianN 8y ago
Sick people touch surfaces, you touch surfaces. Then you touch your face.
- sigi45 8y ago
  Thats were you wrong. Not touching nothing in the sbahn if i have to!