This "classic" bull's-eye rash is also called erythema migrans. A rash caused by Lyme does not always look like this and approximately 25% of those infected with Lyme disease may have no rash.

Claim: Climate is causing a Rapid Rise in Lyme Disease Infections

Guest essay by Eric Worrall Zoonotic disease researcher Katharine Walter has claimed that climate is causing a massive rise in human cases of potentially debilitating Lyme Disease. But there are a few problems with this theory. … Deer tick invasion Encounters with ticks didn’t always cast a dark shadow over North American summers. Cases of…