Re: Hydatid cyst surgery--DON'T watch if you're squeamish

It stops at the border:

EPIDEMIOLOGY: Most common in temperate sheep-raising areas; southern South America, southern and central Commonwealth of Independent States, south western Asia, Meditarranean coast, Australia, New Zealand, Middle East, northern Africa, western USA, northwest Canada and Alaska; most common species
http://www.phac-aspc.gc.ca/msds-ftss/msds54e-eng.php