He vomited then swallowed his vomit unintentionally – does that mean his fast is invalidated?

No File Exists
Check below answers in case you are looking for other related questions:
The food comes back up to his throat – what should he do?
Is acid reflux one of the things that invalidate the fast?

No File Exists
Related Answers:
Does burping break the fast?
Smell coming from Vicks
Eating and drinking by mistake during the day in Ramadaan
The food comes back up to his throat – what should he do?
Is acid reflux one of the things that invalidate the fast?

Recommended answers for you:
Removing hair and nails during the menstrual period
Is it sunnah to shave the hair of a newborn girl?
The difference between the mushrikeen and the kuffaar, and to which category do the Jews and Christians belong?
Engagement according to sharee’ah
Are the parents of the Prophet (peace and blessings of Allaah be upon him) in Paradise or in Hell?