In addition, the number of Lyme disease cases in the Republic of Korea (ROK) has shown an increasing trend since surveillance began in 2011, with a 32.4% increase in 2025 compared with the previous year.
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Surveillance of Tick Distribution and Infection Rates of Tick-borne Infectious Diseases in Gyeongsangbuk-do Province and Daegu Metropolitan City in 2025.
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The sentences
The number of collected adults began to increase in April, peaked in June (646 individuals, 9.4%), and then showed a decreasing trend.