<https://nflalumnihealth.org/press-releases/breakthrough-infections-of-sars-cov-2-gamma-variant-in-fully-vaccinated-gold-miners-french-guiana-2021/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nflalumnihealth.org/press-releases/breakthrough-infections-of-sars-cov-2-gamma-variant-in-fully-vaccinated-gold-miners-french-guiana-2021/>