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. 2022 Jan 27;11(2):168. doi: 10.3390/pathogens11020168

Table 2.

Relevant reports and surveys of human babesiosis in North America.

Species Samples Number of Confirmed Cases Year Confirmation Method Geographical Location References
B. microti Blood, serum 7612 cases 2011–2015 Microscopy, PCR,
Animal inoculation, and IFAT
New York, US *
Massachusetts, US
Connecticut, US
New Jersey, US
Rhode Island, US
Wisconsin, US
Minnesota, US
[40]
B. microti Blood, serum 14,159 2011–2018 Microscopy, PCR,
Animal inoculation, and IFAT
New York, US *
Massachusetts, US
Connecticut, US
New Jersey, US
Rhode Island, US
Wisconsin, US
New York City, US
Maine, US
Minnesota, US
[6]
B. microti Blood 4 2015 PCR for 18S rRNA Yucatan, MX [25]
B. microti Blood 1 2013 PCR for 18S rRNA Manitoba; Can [4]
B. duncani Serum, blood 14 1966–2009 IFAT and PCR for ITS California, US
Washington, US
Oregon, US
[10]

* From highest to lowest prevalence.