Estrie Tick Fever: New Disease Alert
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Subject: First Case of Rocky Mountain Spotted Fever in Quebec (Canada)
Key points:
First Detection: The first case was identified in a patient in the Estrie region of Quebec who presented with a high fever (40°C/104°F) for three days, headache, muscle pain, and confusion. It wasn’t initially suspected due to the rarity of the disease in the area.
What Triggered Suspicion: The appearance of petechiae (small,red or purple spots caused by inflammation of blood vessels) - a characteristic symptom of Rocky mountain Spotted Fever – led doctors to consider the diagnosis.
disease Background: Rocky Mountain Spotted Fever was first detected in Montana in the early 1900s and is known to occur in the southeastern and northeastern United States, as well as the Rocky Mountains.
Severity: The mortality rate for Rocky Mountain Spotted Fever is around 5%, considered relatively high.
Treatment: The patient responded well to treatment with doxycycline,an antibiotic also used for Lyme disease and anaplasmosis.
Vector (Tick): The disease is transmitted by the dermacentor tick, also known as the “American dog tick.” This tick does not transmit Lyme disease.
* Dog Connection: Dogs themselves don’t transmit the disease, but ticks can hitchhike on dogs and perhaps enter homes. There’s a suspicion a case occurred when a person was bitten by a tick while sleeping with their dog.In essence, this article reports the first confirmed case of Rocky Mountain Spotted Fever in Quebec, highlighting the importance of awareness and diagnosis, and identifying the tick responsible for transmission.