Name	Info	Provider	Link
Flu	free resource	MedlinePlus Health Information	https://medlineplus.gov/flu.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29197173/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29197173
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/irv.12493
	free resource	scite Smart Citations	https://scite.ai/reports/29197173