Showed her how to crack the windows to offset the propane heater (usually a 1 inch crack, with the inside/outside temperature differential at play is enough.).
Just the other day, I asked her if I could have the @AranetIoT 4 I bought for her as I had lost mine while doing the #NovIdRoadTrip (an ongoing thread where I walk the walk based on aerosol science, below).
Of course, a slightly cynical liberal immunocompromised person tired of the left's discriminatory attitude towards those with invisible disabilities, could make the observation that you could certainly carry an epi-pen.
Or the person who is allergic?
Could wear a mask. Because it's not the smell that's getting them, but the aerosolized peanuts.