Pediatric Lyme Disease: A Growing Public Health Concern
Children ages 5 to 9 have among the highest rates of Lyme diseaseChanging tick exposure may place more children at riskEarly recognition remains essential for preventing complicationsYes. Pediatric Lyme. . .
Children ages 5 to 9 have among the highest rates of Lyme diseaseChanging tick exposure may place more children at riskEarly recognition remains essential for preventing complicationsYes. Pediatric Lyme disease deserves greater attention as a public health concern. Children between the ages of 5 and 9 consistently represent one of the age groups with the highest incidence of Lyme disease. Their outdoor activities, difficulty recognizing a tick bite, and limited ability to describe emerging symptoms can make prevention and early diagnosis challenging. 1,2At the same time, environmental conditions suitable for blacklegged ticks are changing. A 2026 review examining climate change and pediatric health reported expanding tick habitats, longer transmission seasons, and increasing environmental suitability for Lyme disease in parts of North America and Europe. 3These trends do not mean that every child playing outdoors will develop Lyme disease. They do suggest that parents, schools, pediatricians, and communities may need to consider tick-bite prevention and early symptom recognition over a wider geographic area and potentially for a longer portion of the year. Why Is Lyme Disease an Important Pediatric Issue?Lyme disease is the most frequently reported vector-borne disease in the United States. Although it affects people of every age, its age distribution is not uniform. Surveillance data have repeatedly demonstrated a distinct incidence peak among children ages 5 to 9. 1,4Several factors may contribute to this pattern. Children frequently play in yards, parks, wooded areas, leaf litter, and tall grass. They may sit directly on the ground, explore the edges of trails, or play near stone walls and brush where ticks and their animal hosts may be present. Children are also less likely to recognize or report an attached tick. Nymphal blacklegged ticks can be approximately the size of a poppy seed, and their bites are generally painless. 5A tick may be hidden in the scalp, behind an ear, under an arm, at the waist, behind a knee, or in another location a child cannot easily inspect. Changing Tick Exposure May Increase Pediatric RiskClimate is only one factor influencing the geographic distribution of ticks. Land use, wildlife populations, reforestation, suburban development, and human behavior also affect where people encounter ticks. Nevertheless, changing temperature and moisture patterns may allow tick populations to survive in locations that were previously less suitable. The 2026 pediatric health review cited evidence that climate suitability forIxodesticks has increased substantially in high-development regions, including areas of North America and Europe. The review also described a longer and potentially more intense season for vector-borne disease transmission. 3This matters for children because families may not consider Lyme disease when exposure occurs outside a traditionally recognized location or outside the period they think of as “tick season. ” A child does not need to be hiking deep in the woods to encounter a tick. Exposure can occur in a backyard, on a playing field, at camp, in a neighborhood park, or while spending time with pets that have been outdoors. Why Can Lyme Disease Be Missed in Children?The most recognizable manifestation of early Lyme disease is an erythema migrans rash. However, a rash may be hidden, appear different from the familiar bull’s-eye pattern, or never be noticed. Pediatric Lyme disease may instead begin with symptoms such as fatigue, fever, headache, neck discomfort, muscle pain, joint pain, or a noticeable change in activity. Younger children may not have the vocabulary to explain what feels wrong. Instead of reporting fatigue or pain clearly, they may become irritable, stop participating in usual activities, ask to be carried, sleep more than usual, or struggle to concentrate. Lyme disease may also present with facial nerve palsy, meningitis symptoms, carditis, or swelling of a large joint such as the knee. These manifestations can occur after the initial tick bite has been forgotten or when no tick was ever observed. Parents and clinicians can review a broader discussion of these presentations in thepediatric Lyme disease guideand theLyme disease symptoms guide. Lyme Disease Can Affect School and Daily FunctionA child’s health is closely connected to school attendance, learning, emotional well-being, physical development, and participation in family life. When Lyme disease produces fatigue, pain, headaches, sleep disruption, cognitive difficulties, or neurologic symptoms, the effects may extend beyond the medical examination room. A previously active child may stop playing sports, have difficulty completing schoolwork, or require frequent absences. These changes are not specific to Lyme disease, and clinicians should consider other medical explanations. However, Lyme disease may warrant consideration when symptoms follow a known or possible tick exposure, particularly in an endemic or emerging-risk area. Most children diagnosed with Lyme disease improve following antibiotic treatment. In a study reported by the National Institute of Allergy and Infectious Diseases, most participating children recovered within six months after completing treatment. A smaller group experienced symptoms that persisted for six months or longer. 6This difference in recovery highlights why pediatric Lyme disease should not be approached as if every child follows an identical course. Prompt diagnosis is important, but continued clinical evaluation may also be necessary when a child does not return to his or her previous level of health. Prevention Must Extend Beyond the Individual ChildChildren cannot carry the full responsibility for preventing tick bites. Effective prevention requires participation from parents, caregivers, schools, camps, recreation programs, and communities. Practical measures include checking children for ticks after outdoor activity, showering after possible exposure, treating clothing and gear appropriately, reducing leaf litter and brush around frequently used areas, and promptly removing attached ticks. Particular attention should be given to the scalp, hairline, behind the ears, under the arms, around the waist, behind the knees, and between the legs. Prevention messages should also reflect local conditions rather than relying solely on older assumptions about where ticks occur. As the geographic range and seasonal activity of ticks change, clinicians and families in emerging-risk regions may need greater awareness. A Public Health Concern Does Not Mean Every Symptom Is Lyme DiseaseRecognizing pediatric Lyme disease as a public health concern does not mean attributing every episode of fatigue, joint pain, behavioral change, or school difficulty to Lyme disease. These symptoms have many possible causes and require an appropriate clinical evaluation. The public health goal is more balanced: reduce tick exposure, recognize compatible illness early, understand the limitations of testing during different stages of infection, and avoid dismissing persistent or evolving symptoms without further assessment. More information about this diagnostic process is available in theLyme disease test accuracy guide. Frequently Asked QuestionsWhy are children ages 5 to 9 at higher risk for Lyme disease?Children in this age group often spend substantial time playing outdoors in yards, parks, wooded areas, and tall grass. They may not notice a small, painless tick bite and may need an adult to perform a thorough tick check. Can a child have Lyme disease without a bull’s-eye rash?Yes. An erythema migrans rash may not have the classic bull’s-eye appearance, may be hidden in an area that is difficult to see, or may never be noticed. Lyme disease should not be excluded solely because a parent did not observe a typical rash. Can pediatric Lyme disease affect school performance?Lyme disease may be associated with fatigue, headaches, pain, sleep disruption, neurologic symptoms, and difficulty concentrating. These problems can interfere with attendance and school performance, although they are not specific to Lyme disease and require clinical evaluation. Do most children recover after Lyme disease treatment?Most children improve after appropriate antibiotic treatment. Research suggests that most recover within six months, although a smaller proportion may experience persistent symptoms and require additional evaluation and support. Is climate change the only reason Lyme disease risk is expanding?No. Temperature and moisture patterns can influence tick survival and activity, but land use, wildlife populations, human behavior, reforestation, and suburban development also affect where ticks are found and how often children encounter them. Clinical TakeawayPediatric Lyme disease is an important public health issue because children ages 5 to 9 experience particularly high incidence, may not recognize a tick bite, and may have difficulty describing their symptoms. Changing tick habitats and longer periods of tick activity could place additional children at risk, including those living outside historically recognized endemic areas. Most children recover with appropriate treatment, but delayed recognition can allow more complicated manifestations to develop, and some children experience persistent symptoms. Prevention, early clinical assessment, and appropriate follow-up all remain important. As tick exposure changes, protecting children will require greater awareness not only from families but also from clinicians, schools, camps, and communities. Related ArticlesAutonomic dysfunction and Lyme diseaseLyme disease and coinfectionsRecovery from Lyme diseasePost-treatment Lyme disease syndromeReferencesMcCarthy, C. A. , & Godes, M. E. Lyme disease in children. Infectious Disease Clinics of North America. 2022;36(3):593–603. Shafquat, M. , et al. The incidence of Lyme borreliosis among children. Children. 2023;10(7):1156. Scirocco, T. , Martini, D. , Agostoni, C. , Raviglione, M. C. B. , Bocchi, S. , & Berti, C. Pediatric health at the crossroads of climate change, food insecurity, and malnutrition. Advances in Nutrition. 2026;17(7):100658. Schwartz, A. M. , Hinckley, A. F. , Mead, P. S. , Hook, S. A. , & Kugeler, K. J. Surveillance for Lyme disease—United States, 2008–2015. MMWR Surveillance Summaries. 2017;66(22):1–12. Centers for Disease Control and Prevention. How Lyme disease spreads. CDC. 2024. National Institute of Allergy and Infectious Diseases. Study shows most children recover from Lyme disease within six months of treatment. NIAID. 2023. This article is for informational purposes only and is not a substitute for medical advice, diagnosis, or treatment. Consult a qualified healthcare professional regarding symptoms, tick exposure, testing, and treatment decisions. Dr. Daniel Cameron, MD, MPHLyme disease clinician with over 30 years of experience and past president of ILADS. Symptoms•Testing•Coinfections•Recovery•Pediatric•Prevention