40:10

(A003) Ecologic Models and Public Health Practice

24:20

(A001) What Does Public Health Do?

20:46

(A005) Safe Drinking Water and Antibiotics | Origins of Public Health, Part 2

29:31

(CE006) Motivational Factors and Decision Making

37:08

(A013) CDC Environmental Health, Injury Prevention and Occupational Safety | Part 6

31:45

(IMM007) Vaccine Safety Monitoring

46:20

(A004) Industrial Revolution | Origins of Public Health, Part 1

39:06

(A008) Public Health System Overview | Organization and Financing of Public Health, Part 1