Sylvia accidentally sliced her finger while chopping celery in the restaurant where she worked as an assistant chef. A blood test during the course of her treatment revealed that she not only had an injured finger, but also had an active case of hepatitis, for which the hospital also treated her. The employer's workers compensation insurance: covers the hepatitis treatment if it is done in the same hospital visit, does not apply to the cose of the hepatitis treatment because the disease was not caused by her employment, does not apply to the cost of the hepatitis treatment because of a communicable disease exclusion, or covers the hepatitis treatment because the disease would otherwise disable her?