What is the prevalence of Lyme Disease?

How many people does Lyme Disease affect? Does it have the same prevalence in men and women? And in the different countries?


Lyme disease is a tick-borne illness caused by the bacterium Borrelia burgdorferi. It is the most common vector-borne disease in the United States, with cases reported in all 50 states and over 80 countries worldwide. The prevalence of Lyme disease has been steadily increasing over the past few decades, making it a significant public health concern.



Estimating the exact prevalence of Lyme disease is challenging due to underreporting and misdiagnosis. According to the Centers for Disease Control and Prevention (CDC), approximately 300,000 cases of Lyme disease are diagnosed each year in the United States. However, this number is believed to be significantly underestimated, with some studies suggesting the actual number of cases could be ten times higher.



The geographic distribution of Lyme disease is not uniform, with certain regions experiencing higher incidence rates. The northeastern and upper midwestern states, including Connecticut, Massachusetts, New York, Pennsylvania, and Wisconsin, have consistently reported the highest number of cases. However, Lyme disease has been identified in various other states as well.



Preventing Lyme disease involves taking precautions to avoid tick bites and promptly removing attached ticks. This includes wearing protective clothing, using insect repellents, and conducting thorough tick checks after spending time in wooded or grassy areas.



Early detection and treatment are crucial in managing Lyme disease. If left untreated, it can lead to severe complications affecting the joints, heart, and nervous system. Seeking medical attention if symptoms such as a characteristic bullseye rash, fever, fatigue, and joint pain develop after a tick bite is essential.


by Diseasemaps

I'm not sure what the prevalence is. I would almost suspect more men have it since they tend to do more outdoor activities.

8/16/17 by Deanna 2150

Very prevalent. Most of the people I know with Lyme disease were healthy until they had some life event that caused them to be stressed out and sick. Then the Lyme treatment made them disabled. It's more prevalent than we think, but also missing the key factor. People don't get sick from a tickbite, they get sick from the lowered immune system.

8/29/17 by missy 2050

The CDC now speculates that there are at least 300,000 new cases per year, making "it the fastest growing vector-borne infectious disease in the United States." Some sources say it has been confirmed in at least 80 other countries around the globe. It is a pandemic.

8/31/17 by S. Guthrie 2000

much larger then is being reported, we have no idea and will not know until there is a good test

9/29/17 by Sarah 2550

Lyme does not discriminate

9/29/17 by Katrina 2000

There are 300,000 new cases each year. It does not discriminate.

10/1/17 by Sonya 2000

It is very important. It can affect anyone. Children are more prone since they play outdoors more often during tick season.

10/25/17 by Andrea 2120

They say approximately 320,000 a year in the USA and Germany is at 1 million new cases per year. It does depend where you live as to how high your chance will be

3/9/18 by Niki 8100

7.9 cases per 100,000

3/14/18 by Nikolettie 2700

Lyme effect more children then adult

5/26/18 by Bethany Wing 2100

Higher than anyone thinks

2/1/20 by Lori 2550

According to a 2018 EU resolution, it is estimated that there are about 750,000 cases in Europe a year, it is a real pandemic

12/16/21 by José 7770
Translated from spanish Improve translation

There are people who only have suffered for a few days, a month, but other years.

9/12/17 by N6. Translated
Translated from spanish Improve translation

personally I think that the world

9/15/17 by Emiliano Ignacio Rodriguez. Translated
Translated from spanish Improve translation

It can be from days to years More than 60% of the people It affects men and women I believe that both equal

9/27/17 by Amparochiqui. Translated

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