# Powassan Virus Encephalitis after Tick Bite, Manitoba, Canada

**Authors:** Nathan Smith, Yoav Keynan, Terry Wuerz, Aditya Sharma

PMC · DOI: 10.3201/eid3009.231344 · Emerging Infectious Diseases · 2024-09-01

## TL;DR

A person in Manitoba, Canada, developed Powassan virus encephalitis after a tick bite, highlighting the growing threat of tickborne diseases.

## Contribution

This case report raises awareness of Powassan virus as an emerging tickborne illness in Canada.

## Key findings

- A case of Powassan encephalitis was confirmed in Manitoba after a black-legged tick bite.
- No specific treatment is available, and the disease has high illness and mortality rates.
- Prevention is emphasized due to the increasing number of vector tick species.

## Abstract

A case of Powassan encephalitis occurred in Manitoba, Canada, after the bite of a black-legged tick. Awareness of this emerging tickborne illness is needed because the number of vector tick species is growing. No specific treatment options exist, and cases with illness and death are high. Prevention is crucial.

## Linked entities

- **Diseases:** Powassan encephalitis (MONDO:0000276)

## Full-text entities

- **Diseases:** tickborne illness (MESH:D002908), Powassan Virus Encephalitis (MESH:D004675), death (MESH:D003643)
- **Species:** Ixodes scapularis (blacklegged tick, species) [taxon 6945]

## Full text

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## Figures

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## References

10 references — full list in the complete paper: https://tomesphere.com/paper/PMC11346980/full.md

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Source: https://tomesphere.com/paper/PMC11346980