2 and a great crowd of people followed him because they saw the signs he had performed by healing the sick.

Read John 6:2 Using Other Translations

And a great multitude followed him, because they saw his miracles which he did on them that were diseased.
And a large crowd was following him, because they saw the signs that he was doing on the sick.
A huge crowd kept following him wherever he went, because they saw his miraculous signs as he healed the sick.