法苑珠林 94.32

94.32

又四分律云。時世尊啑。諸比丘呪願言。長壽。時有居士啑。及禮拜比丘。佛令比丘呪願言長壽。

Furthermore, the Dharmaguptaka Vinaya says: "At that time the World-Honoured One sneezed, and the monks recited a blessing, saying, 'May you live long.' At that time there was a layperson who sneezed while prostrating to the monks; the Buddha instructed the monks to recite a blessing, saying, 'May you live long.'"