Tick bite ER visits in 2025 hit highest levels since 2017: CDC


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Summary

High cases

The Centers for Disease Control and Prevention warns that ER visits due to tick-bites are abnormally high for July.

Prevention

The CDC recommends people avoid wooded areas and long grass when possible and wear insect repellant to prevent bites.

Near-record

The CDC latest data reveals that tick-bite ER visits are the highest since 2017 for July.


Full story

Emergency rooms nationwide have seen a rise in tick bite cases, according to new data from the Centers for Disease Control and Prevention. The CDC reported that, while tick-related ER cases have declined since the start of summer, this July has already seen the highest number of tick-related ER visits for the month in at least five years, with the northeastern U.S. seeing the highest number of cases.

Who is most at risk?

Infectious disease experts have warned that young children and older adults are at the highest risk of contracting diseases spread by ticks. Those under the age of 10 and those over the age of 70 have the highest rates of hospitalization cases related to tick bites, as reported by the CDC.

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How big is the risk?

For people in the Northeast, the threat is especially worrisome, with the Fordham Tick Index, which tracks tick activity in southern New York, Connecticut and Northern New Jersey, now indicating that the risk of a tick bite is “very high” or as a 9 out of 10 on its scale.

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Lyme disease is most prevalent in the upper Midwest and the Northeast, and is usually caused by a tick carrying borrelia bacteria.

Why is this alarming to health professionals?

Spring and early summer typically mark the year’s peak in ER cases of tick bites. However, July’s near-record numbers have prompted medical professionals to issue further caution to the public about the health threat these tiny arachnids can pose.

What should you look for?

According to the CDC, tick bites can lead to illnesses such as Lyme disease or Rocky Mountain Spotted Fever, which can cause similar symptoms, including fever, chills, headache, fatigue and muscle aches.

To prevent getting bitten, the CDC advises avoiding heavily wooded areas, long grass and leaves. The agency also notes that people outdoors should use Environmental Protection Agency-registered insect sprays that contain DEET and Picaridin. It also recommends treating clothing and outdoor gear with permethrin, which repels ticks even after multiple washes. If using sunscreen with the repellent, the agency recommends applying sunscreen first and then the repellent.

Doctors also urge people to have another person check their body for ticks and look for any distinctive rashes, as these may be signs of tick-related illnesses.

Alex Delia (Deputy Managing Editor), Cole Lauterbach (Managing Editor), Shianne DeLeon (Video Editor), and Lawrence Banton (Digital Producer) contributed to this report.
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Why this story matters

A rise in emergency room visits for tick bites, especially in the Northeast, highlights growing public health concerns and the need for increased prevention efforts against tick-borne illnesses, according to data from the Centers for Disease Control and Prevention.

Public health risks

The increase in tick-related emergency room visits points to a potentially higher incidence of tick-borne diseases and elevates the importance of public health vigilance.

Vulnerable populations

CDC data indicates that young children and older adults face the highest rates of tick bite-related hospitalizations, underscoring the need for targeted awareness and protection measures for these groups.

Prevention and guidance

The CDC and health professionals are issuing updated prevention guidelines, advising the use of specific repellents and practices, as a response to the elevated risk, especially in regions with high tick activity.

SAN provides
Unbiased. Straight Facts.

Don’t just take our word for it.


Certified balanced reporting

According to media bias experts at AllSides

AllSides Certified Balanced May 2025

Transparent and credible

Awarded a perfect reliability rating from NewsGuard

100/100

Welcome back to trustworthy journalism.

Find out more

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