Adacel Vaccine – Diphtheria + Tetanus + Pertussis Toxoid – Sanofi – Pilcare – Exporter from India to Singapore youmobs 3 weeks ago Adacel Vaccine – Diphtheria + Tetanus + Pertussis Toxoid – Sanofi – Pilcare – Exporter from India to Singapore Adacel Vaccine is a combination of three vaccines used to prevent diphtheria, tetanus, and whooping cough. It stimulates the immune system to act against microorganisms to prevent such infections.