use phlegm in a sentence.
Whilst the individual little virii can get through one, they're usually not found airbourne on their own; aren't they in big globs of snot and phlegm and the like?
When I lived in Beijing I actually contemplated blogging daily photos of the phlegm I coughed up every morning due to the smog, and try and correlate them with daily air quality index readings.
I was interning in California (I'm a Canadian citizen) when I felt compelled to go see a doctor because I spent about a week coughing up various different colours of phlegm (was awoken pretty much nightly with really bad hacking cough).
I lasted another day on Mucinex before I decided this was definitely not healthy, regardless of how much less phlegm I had to deal with, and stopped taking it.