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/31620998/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s12560-019-09408-x
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31620998
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:31620998