<http://schema.org/description>
"Japan's Takeda Pharmaceutical Company Limited recently announced that it has entered Phase II clinical trials of a quadrivalent vaccine against diphtheria, tetanus, pertussis and polio."^^<http://www.w3.org/2001/XMLSchema#string>
<http://vaccinenewsdaily.com/stories/510533556-takeda-begins-phase-ii-trials-of-quadrivalent-vaccine>