<https://iknowexpo.org/blog/how-to-know-if-its-a-cold-the-flu-or-covid-19/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://iknowexpo.org/blog/how-to-know-if-its-a-cold-the-flu-or-covid-19/>