The world is in a new age of infectious diseases.

Over the past 60 years, the number of new diseases cropping up per decade has almost quadrupled. The number of disease outbreaks each year has more than tripled since 1980.

http://www.npr.org/sections/goatsandsoda/2017/03/11/519518318/beyond-lyme-new-tick-borne-diseases-on-the-rise-in-u-s?utm_source=facebook.com&utm_medium=social&utm_campaign=npr&utm_term=nprnews&utm_content=20170311

"Reported cases of Lyme have tripled in the past few decades," she says. "And today, we think that the true burden of Lyme disease in the U.S. is about 300,000 cases each year."

http://www.npr.org/sections/health-shots/2017/03/06/518065660/if-you-get-bit-by-a-lyme-infested-tick-here-are-5-tips?utm_source=facebook.com&utm_medium=social&utm_campaign=npr&utm_term=nprnews&utm_content=20170312