Nutrition · Health Education
Arrange the following vaccines/immunisation milestones in the CORRECT chronological order of their development or introduction: (A) Oral Polio Vaccine (OPV – Sabin) (B) Smallpox Vaccine (Jenner) (C) BCG Vaccine (Calmette & Guérin) for Tuberculosis (D) MMR (Measles, Mumps, Rubella) combined vaccine
- 1A → B → C → D
- 2B → A → C → D
- 3C → B → A → D
- 4B → C → A → D✓
Correct answer
B → C → A → D
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