pt. I. Basic bacteriology -- pt. II. Clinical bacteriology -- pt. III. Basic virology -- pt. IV. Clinical virology -- pt. V. Mycology -- pt. VI. Parasitology -- pt. VII. Immunology -- pt. VIII. Ectoparasites -- pt. IX. Infectious diseases -- pt. X. Brief summaries of medically important organisms -- pt. XI. Clinical cases -- pt. XII. Pearls for the USMLE -- pt. XIII. USMLE (national board) practice questions -- pt. XIV. USMLE (national board) practice examination