Final answer:
Patients infected with communicable diseases such as HIV or hepatitis B should be kept in blood and body fluid isolation. Health care workers should follow strict protocols and wear protective gear to prevent transmission.
Step-by-step explanation:
The patients who should be kept in blood and body fluid isolation include those who are infected with communicable diseases such as HIV or hepatitis B. These diseases can be transmitted through contact with body fluids, especially blood. Health care workers should follow strict protocols and wear protective gear when interacting with these patients to prevent surface and equipment contamination.