Which patients are at an increased risk for developing a hospital-acquired infection? (Select all that apply)

An 80-year-old patient admitted from a long-term care facility

A 36-year-old patient from a group home recently diagnosed with HIV

A 40-year-old patient with a history of depression

An 86-year-old patient admitted from home who has been sick multiple times this year

A 55-year-old patient admitted for elective knee surgery with no comorbidities