US, Nov. 1 -- A hotel can have cameras at every entrance and still overlook a serious threat to its guests. An airport can screen every suitcase while an infectious traveler passes through unnoticed. A destination can spend millions promoting its beaches while neglecting the waste collection that protects the surrounding community.

Tourism security must extend beyond what a guard can see.

In guidance researched by Tourism & More's Tourism Tidbits, Dr. Peter Tarlow argues that biological dangers deserve a place in the industry's security thinking. His article, "Bioterrorism and Tourism," appeared on Hospitality Net on October 30, 2015. Its central warning remains relevant: tourism's interconnected businesses need to consider threats tha...