A charge nurse is teaching a newly licensed nurse about health care-associated infections (HAIs). Which of the following should the nurse include in the teaching as examples of HAIs?

A client who has a bladder infection and has an indwelling urinary catheter.

A client who has a surgical site infection.

A client who has pneumonia after being on a ventilator.

A client who has an infection at their central-line insertion site.

A client who has influenza acquired from a coworker.