<http://schema.org/description>
"The World Health Organization recently announced that a combined polio and measles campaign in Pakistan has reached more than 2.9 million children ranging in age from nine months to 10 years of age."^^<http://www.w3.org/2001/XMLSchema#string>
<http://vaccinenewsdaily.com/stories/510533947-pakistan-immunizes-2-9-million-children-against-polio-and-measles>