 Dr. Darien Sutton, if you're traveling abroad for the summer, the CDC Travel Health Notice website can help. Chuck Sievertson, ABC News. Do you hear that? Asthma triggers are everywhere, from dust mites, pet dander, and pollen, to smog and smoke. An asthma attack can strike anywhere, anytime. Be prepared with quick-acting primatine mist, clinically proven to open airways quickly.