Ck: Questions
1. Assume you have an 8m x 8m x 3m lecture classroom with 25 students. At the start of the experiment, the
is fresh and clean, but you have one student who is actively shedding a rhinovirus that causes the common cold.
Assume that once the student enters the room, s/he inhales and exhales normally, taking in about 12 liter of air on
inhalation, and releasing about ^2 liter of air on exhalation. Assume the person sheds about 2 x 10 virus particles
per exhalation, at a rate of about 30 breaths per minute. After one hour, what is the density of virus particles in
the room? Express your answer as VLP/room. Show your work.
nal volume and rate, on average how