Chapter 1. Public Health. Subchapter I. Commissioner of Public Health. §§ 7-101 – 7-106 Subchapter I-A. Mayor’s Council on Physical Fitness, Health, and Nutrition. §§ 7-121 – 7-126 Subchapter II. Prevention of Spread of Communicable Diseases. §§ 7-131 – 7-144 Subchapter III. Department of Public Health. §§ 7-151 – 7-154 Subchapter III-A. Adverse Event Reporting. §§ 7-161 – 7-161 Subchapter IV. General Provisions. §§ 7-171 – 7-180