A 14-year-old boy from rural Maryland was seen in the emergency room with fever, fatigue, chills, headache, and a large annular lesion on his left thigh, w hich the patient described as burning and itching. What is the most probable vector of this child’s illness?

A patient was just admitted to a long-term care facility from the local hospital. The patient is being treated for psoriasis. The psoriasis does not appear to be responding to treatment, and 48 hours later, the infection preventionist (IP) receives a report that a Certified Nursing Assistant has developed an itchy rash. The patient’s physician visits and determines that the patient has crusted scabies and not psoriasis. Another name for crusted scabies is:

A patient who was hospitalized for 2 days calls 3 days after discharge complaining that he has developed healthcareassociated scabies due to his recent inpatient stay. The IP knows that his scabies infestation is not healthcare-associated because:

A nurse is concerned that a patient in the neurology ward has a prion disease after receiving a lab report stating that the patient had a positive nucleic acid test for John Cunningham virus (JCV) in the cerebrospinal fluid. What is the best response to give this nurse?

A patient is admitted with pruritic lesions on the hands, webs of fingers, wrists, the extensor surfaces of the elbows and knees, and the outer surfaces of the feet, armpits, buttocks, and waist. The most likely diagnosis is: