Name Info Provider Link
Flu free resource MedlinePlus Health Information https://medlineplus.gov/flu.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37862007.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/37862007/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/37862007
subscription/membership/fee required Silverchair Information Systems https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.2023.17244