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Case #447 – July, 2017

An engorged tick was delivered to a laboratory for identification. Figures AE show morphologic features observed using a dissecting microscope. What is your identification? Based on what features?

Parasitic image

Figure A

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Figure B

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Figure C

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Figure D

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Figure E

This case was kindly provided by Cadham Provincial Public Health Laboratory, University of Manitoba, Winnipeg, MB

Images presented in the dpdx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.

DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit www.cdc.gov/parasites/.