spectacle (1) épuration (1) modèle (1) affluent (1) immunité (1) analyse (1) dosage (1) maladie (1) Control (1) Campaigns (1) Scenarios (1) States (1) Vaccines (1) Vaccination (1) Self-interest (1) Scenarios (1) Plots (Drama, novel, etc.) (1) Motion picture plays (1) Human beings (1) Immunization (1) Immunity (1) Example (1) Cooperative societies (1) Cooperation (1) Consumer cooperatives (1) Comprehension (1) Chemistry, Analytic--Quantitative (1) National interest (1) Vaccination (1) Use (1)