Table 4: Detection by PCR of naturally present N. fowleri in lake water and sediment samples.

Sample IDDirectCulture: after IMSCulture: no IMS
SedimentWaterSedimentWaterSedimentWater

MN1++
MN2
MN3
MN4+
MN5+
MN6
MN7
MN8+
MN9++
MN10
FL1
FL2
FL3
FL4
FL5+++
FL6+++