Final answer:
Routine vaccinations are recommended by health organizations and governments worldwide to prevent diseases in children. Diseases such as measles, mumps, and chickenpox have seen a significant reduction in cases due to widespread vaccination efforts.
Step-by-step explanation:
According to the World Health Organization (WHO), in 2008, an estimated 1.5 million children under the age of 5 died from diseases that are preventable with vaccinations. While there is no specific data on the number of 1-year-old children worldwide who have been vaccinated against diseases, routine vaccinations are recommended by health organizations and governments globally. Diseases such as measles, mumps, and chickenpox, which are preventable through vaccination, have seen a significant reduction in cases thanks to widespread vaccine adoption.