Is the Bible infallible? Probably not. It has passed through hundreds of hands down thru the centuries. It has been translated and revised many, many times. So, its highly probable that the words have changed. The accounts of certain events may have been altered. It may not be as scientifically or historically accurate as we might hope, but, really, thats okay...It is neither a Scrience or Historical book.
The Message of the Bible, however, IMO, IS accurate and infallible. The Bible is the "vehicle" that is used to bring us the Message God wants us to hear. The Word of God is that message. Jesus said
Why do ye not understand my speech? [even] because ye cannot hear my word. Jhn 8:43 We can't understand the Bible because we can't hear Its Message (Word).
Is the Jonah story factual or is it an anology to convey a deeper meaning? I don't know.... but I do know there IS a deeper meaning than a man being swallowed by a whale. Or fish.
So, I'll go on record as saying the Bible, as we have it today, is not infallible. But the Word of God contained therein is absolute Truth.
To illustrate, in
Acts 9 we have the account of Pauls conversion. We read in verse 7:
And the men which journeyed with him stood speechless, hearing a voice, but seeing no man. They heard a voice, but saw no one with Saul (Paul). However,
Acts 22:9 says:
"...they heard NOT the Voice....". Contradiction? No, just a difference in the way the story was retold. The MESSAGE of the story, however, remains true and accurate.