Explanation:
For people 7 years of age and older who have not been previously immunized against tetanus, WHO recommends a 3-dose primary vaccination series with tetanus-diphtheria containing vaccine followed by 3 booster doses, to be protected throughout life.
Answer:
The appropriate primary vaccination series is as follows:
- First dose - week one
- Second dose - 4 - 8 weeks after the first dose
- Third dose - 6 - 12 months after the second dose
