(4 credits)A study of the normal body flora and pathogenic micro-organisms; microbial physiology associated with pathogenicity of bacteria, viruses, fungi and common protozoal parasites; host responses to pathogenic invasion; diagnostic tests used for identification of pathogens; antimicrobial agents; principles of immunology. Lecture and laboratory. Prerequisite(s): Satisfactory completion of BIOL 111 lecture and lab, and CHEM 113 or CHEM 122. Spring, Summer.