Lyme Disease

Lyme Disease

10 Brote Activos

Lyme disease is a bacterial infection transmitted through infected blacklegged tick bites. It's the most common vector-borne disease in the United States with about 476,000 cases diagnosed annually.

3
Países Afectados
1,526
Casos Recientes (30 días)
10
Brotes Activos
58d ago
Última Actualización
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¿Qué es Lyme Disease?

Lyme disease is caused by Borrelia burgdorferi bacteria. If caught early with the characteristic bull's-eye rash, it's easily treated with antibiotics. However, delayed treatment can lead to serious complications affecting joints, heart, and nervous system.

Síntomas

  • Expanding red bull's-eye rash
  • Fever and chills
  • Fatigue
  • Headache and stiff neck
  • Muscle and joint aches
  • Swollen lymph nodes
  • Later: Severe joint pain, facial paralysis, heart issues

Transmisión

Transmitted through infected blacklegged tick bites. Ticks must be attached 36-48 hours. Not contagious person-to-person.

Período de Contagio: Not contagious between people

Prevención

  • Use insect repellents (DEET, picaridin)
  • Wear light-colored clothing, long sleeves/pants
  • Walk in center of trails
  • Full body tick checks after outdoors
  • Shower within 2 hours of being outside
  • Treat clothing with permethrin
  • Remove leaf litter around home
  • Prompt tick removal with tweezers

Live Lyme Disease Global Case Map

3 countries with reported activity. Updated from real-time surveillance data.

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High activity

United States — State Detail

1 state with reported activity. Click a state for detailed surveillance.

Brotes Activos y Casos Recientes

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Fuentes de datos: BEACON, ProMED, OMS, CDC y más de 50 agencias nacionales de salud

✓ Datos en vivo actualizados en tiempo real desde fuentes de salud globales

Lyme Disease Symptoms: What to Know About Tick Bites and Prevention in 2026

United States, Alaska 2026-05-01
Activo

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Spring's warmer weather lures people outdoors -- and into possible contact with ticks that spread Lyme disease.

Already, the 2026 tick season is booming. On April 23, the Centers for Disease Control and Prevention warned that emergency room visits due to tick bites are at their highest level since 2017. That may portend an especially severe season for Lyme disease and other tick-borne illnesses.

State health departments repo

📰 21 news sources reporting on this story.

🔗 Read more at Bridport News

Tick season has begun in northwest Ohio. Here's what to know

United States, Alaska 2026-04-25
Activo

TOLEDO, Ohio -- The CDC has reported a recent spike in tick-related emergency room visits nationwide. So far in April, there have been 84 visits per 100,000 people, more than double the usual rate.

With warmer, more humid weather setting in, conditions are becoming ideal for ticks to thrive.

"A lot of times, March, April tends to be when they start to emerge. So, we're pretty much on track there," said Dr. John Presloid is a microbiologist with the University of Toledo.

"Lyme disease is purely

📰 12 news sources reporting on this story.

🔗 Read more at WXYZ

Lyme disease cases quadruple in Michigan as tick populations explode

United States, Alaska 2026-04-21
Activo

Singer Justin Timberlake revealed he's been battling Lyme disease, detailing symptoms he's experienced like nerve pain and fatigue.

  • Health officials urge Michiganders to take precautions to prevent tick bites as the blood-sucking arachnids spread to more heavily populated areas of the state.

  • The number of Lyme disease cases in Michigan has nearly quadrupled since 2022, according to the state health department. There were 533 confirmed cases that year and 2,167 in 2025.

Lyme disease cases i

🔗 Read more at LymeLine.com

CDC Data Show Weekly ER Visits for Tick Bites Higher than Usual

United States, Alaska 2026-04-25
Activo

Visits to emergency rooms for tick bites are higher than normal in many parts of the country right now, according to CDC's Tick Bite Tracker. In all regions except the South Central United States, weekly rates of ER visits for tick bites are the highest for this time of year since 2017.

In advance of Lyme Disease Awareness Month in May, CDC is urging the public to take steps to protect themselves and their families from tick bites, and the serious diseases they can cause, including Lyme disease,

🔗 Read more at WSMV Nashville

Lyme disease is spreading, but a new vaccine could curb infections

United States, Alaska 2026-04-10
Activo

A new Lyme disease vaccine made by Pfizer and Valneva could lower infection rates of the tick-borne illness, but federal approval and patient uptake could be a challenge

Since pharmaceutical companies Pfizer and Valneva announced positive results from their phase 3 trial of a vaccine to prevent Lyme disease last month, two questions have loomed large: Will the vaccine receive approval from the Food and Drug Administration. And if so, will the U.S. public accept it?

An effective vaccine could pu

📰 11 news sources reporting on this story.

🔗 Read more at Medindia

Tick Talk: What Every Dog Owner Needs to Know as Tick Season Kicks Off - The Weather Network

Turkey, 00 2026-04-01
Activo

Essential tips for protecting your pup from Lyme disease and other tick-borne illnesses

Every day, I enjoy taking my dog Huey for walks in the beautiful Squamish forest, regardless of the weather. With the arrival of spring, we are experiencing warmer and sunnier days, which we love, but it also means we need to be more cautious on the trails as tick season has officially begun.

These bugs might be small but can have big consequences. They carry serious diseases like Lyme disease. While the ove

📰 14 news sources reporting on this story.

🔗 Read more at The Weather Network

Tick season is here. We know because they are landing on us. - The Weather Network

Germany, Baden-Wurttemberg 2026-04-15
Activo

Ticks are active any time the temperature is consistently above freezing and there isn't any snow on the ground, reads a statement on the Government of Canada's website.

At present, there are several types of ticks found in Canada. Only black-legged ticks can transmit the bacteria Borrelia burgdorferi, which is responsible for Lyme disease, and that's only if the tick is infected with the bacteria.

Lab studies show that black-legged ticks are active anytime the temperature is above four degrees

📰 56 news sources reporting on this story.

🔗 Read more at firmenpresse.de

In the War Against Ticks, This Spray Is My Secret Weapon

United States, Alaska 2026-04-19
Activo

Doug Mahoney is a writer covering home-improvement topics, outdoor power equipment, and bug repellents.

Vile, horrible, insidious, and disgusting are just a few of the words I use to describe ticks.

There is absolutely nothing to like about these awful, disease-ridden insects.

They range in size from a sesame seed to a poppy seed. And they can infect you with any number of terrible ailments, such as Lyme disease, Rocky Mountain spotted fever, babesiosis, anaplasmosis, Powassan virus, or alpha-

📰 39 news sources reporting on this story.

🔗 Read more at The New York Times

Tick-borne diseases, USA

United States 2026-04-30
Activo

Emergency room visits for tick bites in the US have reached their highest levels since 2017, with the Northeast reporting the highest number of visits. This rise in tick bite encounters is expected to result in an increase in cases of tick-borne diseases, including Lyme disease, babesiosis, and anaplasmosis.

Source: BEACON - View Full Report

Lyme Disease Surges in Michigan Amid Tick Boom

United States 2026-04-29
Activo

This event envelope covers Lyme diseases cases and trends in the United States.

Source: BEACON - View Full Report

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La información sobre enfermedades en Virus Watcher es revisada por nuestro Epidemiólogo Jefe, ex analista principal del CDC para el pronóstico FluSight. Los datos de brotes se agregan de fuentes verificadas incluyendo BEACON, ProMED, OMS, CDC y más de 50 agencias nacionales de salud. Esta información es con fines educativos y no debe reemplazar el asesoramiento médico profesional.

Última revisión: 2026-06-29

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