Appreciate the comments- when I was a little boy- 1950's- we ran through the "skeeter spray" the county fogger truck put out, because, childlike, we figured if it was bad for the bugs, it must be "good for us..."
While I certainly would not do or recommend that now, no harm came from breathing the stuff. The diseases carried by the bugs are a far more immediate threat to health.
In the 50's, our out-door movie theaters were sprayed with DDT and nobody got sick from it. Also other businesses used it with no problems.