Infectious Diseases

What Erythema Migrans Actually Looks LikeMost people picture the Lyme rash as a perfect bullseye: a dark red center surrounded by a pale ring, then another red ring around [...]

The Most Common Mix-Up in SpringWhen pollen counts rise in spring, millions of people develop sneezing, a runny nose, and congestion that look almost identical to a cold. [...]

Spring Tick Season Has ArrivedWarmer weather means more time outdoors, but it also signals the return of tick season across the United States. Understanding which types of [...]

Understanding the Mosquito Bite ProblemThat familiar, maddening itch after a mosquito bite is one of summer's most annoying experiences. The science behind why mosquito [...]

What Is Lyme Disease?Lyme disease is a bacterial infection caused by Borrelia burgdorferi, a spiral-shaped bacterium transmitted through tick bites. It is the most common [...]

What Happens After a Tick BiteFinding a tick embedded in your skin creates immediate anxiety. Should you rush to a doctor for doxycycline after a tick bite, or is watchful [...]

Understanding the Threat in Your BackyardFinding a tick on your skin triggers an immediate question: What kind is it? The answer matters more than most people realize. [...]

Why Deer Tick Identification MattersDeer ticks, also known as black-legged ticks, are the primary vectors for Lyme disease in the United States. These tiny arachnids carry [...]

Understanding the Bullseye Rash After a Bug BiteFinding a strange rash after spending time outdoors can be alarming. The question "Is this Lyme disease?" crosses [...]

The Truth About How Ticks MoveThe idea of ticks jumping from trees or flying through the air is one of the most persistent myths in outdoor safety. The truth is far less [...]