Table 2. PhiPT estimates for B. microti from human patients by region^a.

Region	Boston	Cape Cod	Long Island	Nantucket	Connecticut	New Jersey	Rhode Island	SeMAb
Cape Cod	0.51
Long Island	0.05	0.64
Nantucket	0.49	0.62	0.59
Connecticut	0.07	0.62	0.02	0.54
New Jersey	0.07	0.66	0.01	0.67	0.04
Rhode Island	0.03	0.58	0.04	0.47	0.01	0.05
SeMAb	0.04	0.33	0.15	0.33	0.13	0.14	0.10
WMAc	0.003	0.51	0.12	0.48	0.09	0.17	0.06	0.04

^a Significant population structure PhiPT>0.25 are shown in bold. Moderate population structure PhiPT = 0.1–0.25 is underlined.

^b Southeastern Massachusetts

^c Western Massachusetts