<http://ns.inria.fr/covid19/PMC7410957#title>	<http://purl.org/dc/terms/subject>	"United States" .
<http://ns.inria.fr/covid19/PMC7410957#title>	<http://purl.org/dc/terms/subject>	"Dependent territories in the Caribbean" .
<http://ns.inria.fr/covid19/PMC7410957#title>	<http://purl.org/dc/terms/subject>	"English-speaking countries and territories" .
<http://ns.inria.fr/covid19/PMC7410957#title>	<http://purl.org/dc/terms/subject>	"Cultural history of Puerto Rico" .