Name	Info	Provider	Link
Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/vaccines.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33709112/
	free resource	scite Smart Citations	https://scite.ai/reports/33709112
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/inthealth/article-lookup/doi/10.1093/inthealth/ihab010