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Volume 29, Number 3—March 2023
Research

Associations of Anaplasma phagocytophilum Bacteria Variants in Ixodes scapularis Ticks and Humans, New York, USA

Melissa Prusinski1, Collin O’Connor1Comments to Author , Alexis Russell, Jamie Sommer, Jennifer White, Lauren Rose, Richard Falco, John Kokas2, Vanessa Vinci, Wayne Gall3, Keith Tober2, Jamie Haight, JoAnne Oliver, Lisa Meehan, Lee Ann Sporn, Dustin Brisson, and P. Bryon Backenson
Author affiliations: New York State Department of Health, Albany, New York, USA (M. Prusinski, A. Russell, J. Sommer, J. White, L. Rose, L. Meehan, P.B. Backenson); University at Buffalo Department of Geography, Buffalo, New York, USA (C. O’Connor); New York State Department of Health, Buffalo (C. O’Connor, W. Gall, K. Tober); New York State Department of Health, Armonk, New York, USA (R. Falco, J. Kokas, V. Vinci); New York State Department of Health, Falconer, New York, USA (J. Haight); New York State Department of Health, Syracuse, New York, USA (J. Oliver); Paul Smith's College, Paul Smiths, New York, USA (L.A. Sporn); University of Pennsylvania, Philadelphia, Pennsylvania, USA (D. Brisson)

Main Article

Table 1

Sampling and genotyping analysis results of adult and nymphal Ixodes scapularis ticks collected in New York, USA, 2008–2020*

Characteristic Adults Nymphs
No. site visits
 2,496
 1,595
No. specimens collected
 91,163
 38,782
Specimens tested, no. (%) 43,520 (47.74) 25,748 (66.39)
A. phagocytophilum positive
 3,207 (7.37)
 1,183 (4.59)
Specimens genotyped, no. (%)
Ap-ha positive 2,327 (5.35) 425 (1.65)
Ap-V1 positive 728 (1.67) 669 (2.60)
Ap-ha/Ap-V1 co-infected 18 (0.04) 0 (0.00)
Undetermined 124 (0.28) 87 (0.34)
Missing† 10 (0.02) 2 (0.01)

*Ap-ha, human pathogenic variant of A. phagocytophilum bacteria; Ap-V1, nonpathogenic variant of A. phagocytophilum bacteria. †Refers to samples that were unable to be located in storage for genotyping.

Main Article

1These authors contributed equally to this article.

2Retired.

3Current affiliation: US Department of Agriculture, Animal and Plant Health Inspection Service, Buffalo, NY 14213, USA.

Page created: January 12, 2023
Page updated: February 21, 2023
Page reviewed: February 21, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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