Are GREY ticks dangerous?

Updated date: Tuesday, July 8, 2025 - 19:43

They can start off as small as a pin head and their size increases once they fill with blood. In general, ticks are small, round and grey/brown in colour. ... This tick can transmit Lyme disease to both dogs and people, this can be a debilitating disease for humans and can cause serious symptoms in dogs as well.

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