Prereq: Consent of Instructor. Must be in Oral Health track. Presentations of bacteriology, parasitology, virology, mycology, and immunology prepare students for a detailed study of infectious diseases, general characteristics of pathogenic bacteria, viruses, ricketsiae, and fungi causing infections in humans. Laboratory instruction covers the elements of bacteriological and immunological technique and observation of the characteristic properties of common microorganisms, including their biochemical activity and genetics. 4 cr, 2nd sem.