41 καί (kai) has not been translated because of differences between Greek and English style.
42 The participle πορευθέντες (poreuthentes) is a good example of an adverbial participle of attendant circumstance. As such, it picks up the force of an imperative from the verb to which it is related ( ).
43 These are the instructions of what to do with a healing (Lev 13:19; 14:1–11; Luke 5:14).
44 Grk “And it happened that as.” The introductory phrase ἐγένετο (egeneto, “it happened that”), common in Luke (69 times) and Acts (54 times), is redundant in contemporary English and has not been translated.

In other versions

When he saw them he said to them, “Go and show yourselves to the priests.” And as they went they were cleansed.

When he saw them, he said, “Go, show yourselves to the priests.” And as they went, they were cleansed.

When he saw them, he told them, “Go and show yourselves to the priests.” And while they were going, they were cleansed.

He looked at them and said, “Go show yourselves to the priests.” And as they went, they were cleansed of their leprosy.

And when he saw them he said to them, “Go and show yourselves to the priests.” And it happened that as they were going, they were cleansed.

And when he saw them, he said unto them, Go shew yourselves unto the priests. And it came to pass, that, as they went, they were cleansed.

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