[pct-l] Historical Giardia

[jape@xxxxxxxxxxx (jape)]

"...Melting ice in the Yukon and also in the Colorado Rockies has
revealed bison
carcasses in high mountain regions, suggesting that these herbivores of
the
Plains roamed farther and higher than previously thought. A Giardia
lamblia
cyst in one 5,000-year-old caribou dung pellet has conclusively shown
that
the intestinal bug was a long-standing pest in North America and not
brought
over by European explorers as some had believed...."



By Usha Lee McFarling, Times Staff Writer (LA Times 1/3/03)