Narrated Abu Musa: The Jews used to sneeze in the presence of the Prophet (ﷺ) hoping that he would say: “Yarhamukumullah (May Allah have mercy upon you).' So he said: “Yahdikumullahu Wa Yuslihu Balakum (May Allah guide you and rectify your affairs)””
SahihSahihHasan SahihBook 43 · Hadith 4