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Information on Lyme Disease

What is Lyme Disease?

Lyme disease is caused by a bacterial infection that can affect humans and animals. The bacteria is transmitted to humans via the bite of an infected tick.

Spacer Lyme Diease Pamphlet
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What is a tick?

  • Ticks are similar to mites. They are very tiny - roughly the size of a sesame seed - and they feed on blood.
  • Ticks can not jump or fly. They crawl slowly on the ground and will eventually climb onto a tall blade of grass or a bush to wait to attach themselves to a person or animal passing by.
  • There are many different types of ticks and only a few are capable of carrying the bacteria which causes Lyme disease.
  • In Ontario, the tick that is known to transmit Lyme disease is Ixodes scapularis, also known as the “black-legged tick” or “deer tick”

What are the symptoms of Lyme Disease?

Early symptoms of Lyme disease may include:

  • A circular, red “bull’s eye” rash which spreads out from the tick bite and/or
  • General symptoms such as fatigue, fever or chills, headache, muscle or joint pain and swollen lymph nodes

If left untreated, Lyme disease may have long-term effects on the joints, heart and/or nervous system.


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