Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=0095-6562&volume=78&issue=4&spage=435&aulast=Nicol
Traveler's Health	free resource	MedlinePlus Health Information	https://medlineplus.gov/travelershealth.html