'Sick' in the Bible

Why will ye be still stricken, that ye revolt more and more? the whole head is sick, and the whole heart faint.

And the inhabitant shall not say, I am sick: the people that dwell therein shall be forgiven their iniquity.

In those days was Hezekiah sick unto death. And Isaiah the prophet the son of Amoz came to him, and said unto him, Thus saith Jehovah, Set thy house in order; for thou shalt die, and not live.

The writing of Hezekiah king of Judah, when he had been sick, and was recovered of his sickness.

At that time Merodach-baladan the son of Baladan, king of Babylon, sent letters and a present to Hezekiah; for he heard that he had been sick, and was recovered.