In English - speaking countries, the common verbal response to another person 's sneeze is "God bless you '', or, less commonly in the United States and Canada, "Gesundheit '', the German word for health (and the response to sneezing in German - speaking countries). There are several proposed bless - you origins for use in the context of sneezing.
what do you say when someone sneezes in german
"Gesundheit '', the German word for health