How did a deadly tropical fungus get to the temperate environs of the Pacific Northwest?

In what is being described as ‘The Teddy Roosevelt effect,’ a deadly fungus in the Pacific Northwest may have arrived from Brazil via the Panama Canal, according to a new study. Cryptococcus gattii — which until a 1999 outbreak in British Columbia’s Vancouver Island was considered primarily a tropical fungus — can cause deadly lung and brain infections in both people and animals.