Brain infections, Amoebas, Warm bodies of fresh water
MIAMI: Boy with rare brain infection on ventilator - Nation Wires - MiamiHerald.com: " . . . Infections from the amoeba are rare. Florida officials cited federal statistics showing that 28 infections were reported in the U.S. from 2003 to 2012, mostly from exposure to contaminated recreational water. A person cannot be infected with the amoeba by drinking contaminated water, state officials said, and the amoeba is not found in salt water.
Victims typically are exposed to the bug while swimming or doing water sports in warm ponds, lakes, rivers and canals during the hot summer months, mostly in the South." (read more at link above)