Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.nejm.org/doi/10.1056/NEJMc2108829?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
COVID-19 Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/covid19vaccines.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=34260834.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34260834/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34260834
	free resource	ImmPort - Shared Data - Datasets	https://www.immport.org/shared/search?text=34260834
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:34260834