When the 70th World Health Assembly (WHA) begins today in Geneva, Switzerland, it will be one of historic measure. Not only because the WHA be electing a new Director-General of the World Health Organization (WHO), but also because of its sheer scope.

Dr. Ben Anyene has the daunting job of helping the Nigerian government find ways to pay for the immunization of the 5.3 million children born in the country each year. Dr.

It takes more than a vaccine to make a successful immunization program. This World Immunization Week, we are taking a look at some of the factors that contribute to effective immunization programs.

By Dr. Jon Andrus, Executive Vice President of the Sabin Vaccine Institute and Director of the Vaccine Advocacy and Education Program