The community health nurse has been notified of several incidents. Which situation requires immediate follow-up? A client with

D Lyme disease and is refusing further treatment with intravenous antibiotics because of nausea and vomiting. B hepatitis A who works as a cook at a local healthcare facility. A pulmonary tuberculosis (TB) is still testing positive despite 2 months of treatment. C human immunodeficiency virus (HIV) with an undetectable viral load (VL) and reports having recent unprotected sexual intercourse.