<http://schema.org/image>
<https://jnswire.s3.amazonaws.com/jns-media/67/f0/64986/large_230px-Hepatitis-B_virions2.jpg>
<http://vaccinenewsdaily.com/stories/510534011-study-one-third-of-hepatitis-b-and-c-cases-in-pakistan-are-preventable>