An estimated 51.2 million lives have been saved in the African region over the past 50 years, according to a study by the World Health Organisation (WHO) and The Lancet.
The study published on Wednesday shows that immunisation is the single greatest contribution of any health intervention to ensu
```
Members Only
Login or create an account to continue
This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.
New to BusinessDay? Register now and start reading.
```