I think it's b the answer
First, always wash your hands after touching the linen or clothing. Washing hand can prevent the bodily fluid spread to health care provider or other patients.
After that make sure that the linen and clothing are washed frequently. The washing procedure should be able to kill pathogens so the worker in laundry can be safe.
Harry Frederick Harlow was a psychologist known for his studies on rhesus monkeys. The study focused on maternal separation, social isolation and dependency. The most helpful thing a person can do for a frightened infant or child is to promote classical conditioning to avoid separation anxiety.
