covid19 aerosol transmission 

"A room, a bar and a classroom: how the coronavirus is spread through the air.

Here is an overview of the likelihood of infection in three everyday scenarios, based on the safety measures used and the length of exposure":

https://english.elpais.com/society/2020-10-28/a-room-a-bar-and-a-class-how-the-coronavirus-is-spread-through-the-air.html

covid19 aerosol transmission 

@fribbledom Interesting, that part about the classrooms never struck me. For most of my school life, classroom sessions were 45 minutes and then it was gtfo break time while the room was ventilated by opening pretty much every window possible. Especially during the winter.

covid19 aerosol transmission 

@espen

I guess that very much depends on the school system. In some countries teachers have their own room and students come to their room for each session.

In other countries the entire class stays in the same room all day long, and the teachers come and go after each session.

Where I grew up it was the latter , and there was roughly a one minute break between sessions.

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covid19 aerosol transmission 

@fribbledom Yeah, the latter for me as well, except for special activites of course. But breaks were 10 minutes which makes an untidy 55 minutes total. I think this is up to the school to determine though.

But with the arerosol spreading, would a 1 minute break be enough to make a difference? Did you leave the room during the break, or just wait for a new teacher?

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covid19 aerosol transmission 

@espen

We left the room during the 15 minute break, but between sessions there technically aren't any breaks.

Teachers often need to move from one room to the another, that's the one minute break you get between the sessions.

Sometimes the next teacher was already waiting in front of the door, though. Then you're out of luck as a student.

I don't think one minute makes enough of a difference anyways.

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