Learn Hardcore Swedish: Hon hostar fortfarande, men hon andas lugnt genom munnen. - She is still coughing, but she is breathing calmly through her mouth.

Breakdown of Hon hostar fortfarande, men hon andas lugnt genom munnen.

Why is hon repeated after men? In English we might also say She is still coughing, but breathing calmly through her mouth.

In Swedish, you normally need an explicit subject in each new clause, so hon is repeated:

Hon hostar fortfarande, men hon andas lugnt genom munnen.

Both parts are full main clauses:

Hon hostar fortfarande = She is still coughing
men hon andas lugnt genom munnen = but she is breathing calmly through her mouth

You usually cannot omit hon in the second clause the way English sometimes can in shorter, more informal phrasing.

What does fortfarande mean, and where does it usually go in the sentence?

Fortfarande means still.

In this sentence:

It often comes after the verb in a simple main clause:

You can sometimes move it for emphasis, but the placement here is the most neutral and common.

Why is it hostar and not hosta?