What makes us sneeze?

What exactly triggers a sneeze? A team has identified, in mice, specific cells and proteins that control the sneeze reflex. Better understanding of what causes us to sneeze -- specifically how neurons behave in response to allergens and viruses -- may point to treatments capable of slowing the spread of infectious respiratory diseases.

source https://www.sciencedaily.com/releases/2021/06/210615132204.htm