After abdominal surgery, a patient is admitted to the surgical ward. He has an intra-permanent urinary catheter connected to a drainage bag. After 3 days of admission, the nurse noticed that the patient's urine was cloudy and had a temperature of 102°F. The nurse suspects that the patient may have a nosocomial infection. Which of the following refers to nosocomial infection?
1
contamination by water
2
infection in home environment
3
infection during hospital stay
4
polluted air infection