TABLE 1.

Geographic origins and years of isolation of the N. fowleri strains examined

Strain	Origin	Year of isolation	Sourcea
NH1	New Zealand	1974	H
Morgan	Australia	1972	H
ORAM	Australia	1971	H
PA34	Australia	1972	E
PA90	Australia	1972	E
PA105	Australia	1972	E
PA117	Australia	1972	E
MW4u	Australia	1972	E
J16(1)42E	Japan	1990	E
J26(50)45E	Japan	1990	E
Na1165b	Cattenom, France	1988	E
Ch2-1-e13b	Chooz, France	1997	E
G1-3-f18	Golfech, France	1997	E
L2-1-d11	St. Laurent, France	1994	E
MCM	England	1978	H
RPE-1	Mexico	1990	H
PLC-2	Mexico	1990	H
RTW-4	Mexico	1990	H
RC-5	Mexico	1990	H
EjI-SON	Mexico	1990	E
Enterprise	United States	1976	E
124	United States	1984	E
TY	United States	1969	H
CJ	United States	1967	H
WM	United States	1969	H
SW1	United States	1976	E
SW2	United States	1976	E
EPA 988s-GP2	United States	1994	E
EPA 1020s-GP2	United States	1994	E
EPA 1027w-GP2	United States	1994	E

^aH, human; E, environmental.