_:nca16470b99e24d09893ce69ae9f35c97xb0
<http://schema.org/thumbnailUrl>
<https://media.wfaa.com/assets/VEUER/images/f3d23888-27e1-4747-86da-8c1e90fd537b/f3d23888-27e1-4747-86da-8c1e90fd537b_1920x1080.jpeg>
<https://www.wfaa.com/article/news/nation-world/pfizer-covid-19-vaccine-trial-for-children/507-dca1d65d-f555-4b67-bc2a-5071ee2f9171>