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Volume 32, Number 1—January 2026

Dispatch

Dermacentor occidentalis Ticks and Link to Rickettsia lanei Infections, California, USA

Will S. ProbertComments to Author , Chantha Kath, Naomi Putirka, Megan E.M. Saunders, Brenda Bermudez, Matthew I. Cazas, Alex Espinosa, Hannah Romo, and Jill K. Hacker
Author affiliation: Author affiliations: California Department of Public Health, Richmond, California, USA (W.S. Probert, C. Kath, M.E.M Saunders, B. Bermudez, M.I. Cazas, A. Espinosa, H. Romo, J.K. Hacker); San Francisco State University, San Francisco, California, USA (N. Putirka)

Main Article

Table 2

Comparison of tick genome sequences to Rickettsia lanei strain CA23RL1 genome sequence in study of Dermacentor occidentalis ticks and link to Rickettsia lanei infections, California, USA

Tick identifier Tick species County of collection Genome size, bp Single-nucleotide polymorphisms Insertions/deletions
24-5179 Haemaphysalis leporispalustris San Mateo 1,270,870 19 4
24-6522 H. leporispalustris San Mateo 1,270,870 19 4
24-7980 Dermacentor occidentalis Contra Costa 1,270,942 0 0

Main Article

Page created: December 13, 2025
Page updated: January 29, 2026
Page reviewed: January 29, 2026
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