Name	Info	Provider	Link
Flu	free resource	MedlinePlus Health Information	https://medlineplus.gov/flu.html
	free resource	Public Library of Science	https://dx.plos.org/10.1371/journal.pone.0061644
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23613891/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23613891
	free resource	scite Smart Citations	https://scite.ai/reports/23613891