Table 1.

Rickettsia Screening Results Divided by State

			Total No. of ticks positive (%)
State of collections (no. of counties/ unincorporated cities surveyed)a	Year(s) of collection	Total no. of ticks positive for rickettsial DNA/total no. of ticks tested (%)	Rickettsia amblyommatis	Rickettsia montanensis	Rickettsia rhipicephali	Rickettsia parkeri	Rickettsia bellii	Rickettsia rickettsii
California (1)	2013, 2015	32/69 (46%)	0	0	0	0	61 (88.4%)	0
Georgia (5)	2015, 2017	7/71 (9.8%)	0	3 (4.2%)	0	0	2 (2.8%)	0
Kansas (1)	2012	48/86 (56%)	0	9 (10.5%)	0	0	0	0
Kentucky (2)	2014–2016	23/124 (19%)	1 (0.8%)	3 (2.4%)	0	3 (2.4%)	11 (8.9%)	1 (0.8%)
Maryland (1)	2014	1/3 (33%)	0	0	0	0	0	0
Minnesota (2)	2015	26/72 (36%)	0	23 (31.9%)	0	0	0	0
Mississippi (2)	2013–2015	2/51 (3.9%)	0	0	0	0	1 (2.0%)	0
New York (1)	2014–2015	2/12 (17%)	1 (8.3%)	1 (8.3%)	0	0	0	0
North Dakota (11)	2016	2/23 (8.7%)	0	1 (4.3%)	1 (4.3%)	0	0	0
Pennsylvania (1)	2014–2015	21/55 (38%)	0	2 (3.6%)	0	0	1 (1.8%)	0
Virginia (2)	2014–2015	25/214 (12%)	9 (4.2%)	3 (1.4%)	0	0	4 (1.9%)	0
Washington (11)	2012, 2014–2015	14/103 (14%)	0	2 (1.9%)	1 (1.0%)	0	7 (6.8%)	0
Total		203/883 (23%)	11 (1.2%)	47 (5.3%)	2 (0.2%)	3 (0.3%)	87 (9.9%)	1 (0.1%)

^aA list of the counties: California (Yolo), Georgia (Cobb, Coweta, Douglas, Gwinnett, Rockdale), Kansas (Osage), Kentucky (Edmonson, Muhlenberg), Maryland (Frederick), Mississippi (Oktibbeha), Minnesota (Beltrami, Hubbard), New York (Suffolk), North Dakota (Bottineau, Burleigh, Grant, Kidder, McHenry, Mercer, Mountrail, Nelson, Pierce, Walsh, Ward), Pennsylvania (Adams), Virginia (City of Chesapeake, Prince William), and Washington (Benton, Franklin, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Spokane, Yakima, Walla Walla, Whitman).