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=23307766.ui
free resource scite Smart Citations https://scite.ai/reports/23307766
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/cid/article-lookup/doi/10.1093/cid/cis1220