Basic bacteriology -- Genetics -- Antimicrobial agents -- General medical microbiology -- Gram-positive cocci -- Gram-negative cocci -- Gram-positive and acid-fast bacilli -- Gram-negative bacilli -- Anaerobes -- Spirochetes -- Atypical pathogenic bacteria : mycoplasma, rickettsia, ehrlichia, anaplasma, chlamydia, and chlamydophila -- Virology -- Mycology -- Parasitology -- Random pearls.