<https://hubhopper.com/episode/covid-19-ama-cdc-issues-new-guidelines-on-distancing-at-schools-ca-breaks-its-weekly-vaccination-record-1616198955>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hubhopper.com/podcast/latest-news/1831>