India, April 26 -- According to a study led by the World Health Organization, global vaccination drives has saved the lives of around 154 million people, of which 101 million were infants, over the past five decades.
The study commissioned on the 50th anniversary of WHO's Expanded Programme on Immunization, "is the most comprehensive analysis of the program's global and regional health impact over the past five decades".
The health agency said that other than vaccination, factors such as lower poverty and better nutrition, cleaner air and water, and affordable treatment, have also contributed towards the change.
The paper, authored by a team of researchers led by WHO epidemiologist and vaccine expert Naor Bar-Zeev, found that vaccines su...