A research team at Jeju National University Hospital developed the world's first early warning system for ticks to combat rising infection rates [1].
The system addresses a critical public health gap because severe fever with thrombocytopenia syndrome (SFTS) currently has no known vaccine or cure. With a fatality rate of 20% [1], prevention through early detection is the only viable strategy to reduce deaths.
Infection rates in Jeju province have shown a significant upward trend. The number of SFTS patients rose from eight in 2023 to 16 in 2024 [1]. This represents a two-fold increase in cases over a single year.
Recent data indicates the threat remains active. Following the first patient appearance on May 16, 2024, three additional patients have been confirmed [1].
Researchers said climate change is the primary driver behind these trends. Shifting weather patterns have moved the active period for ticks earlier in the season, increasing the window of risk for residents and visitors.
The new early warning system is designed to notify the public of high-risk periods and locations. By predicting tick activity, health officials aim to prevent the initial bite that leads to the potentially fatal syndrome [1].
“The number of SFTS patients rose from eight in 2023 to 16 in 2024”
The development of this warning system highlights a growing intersection between climate change and zoonotic diseases. As warming temperatures expand the habitats and active seasons of disease-carrying vectors like ticks, traditional seasonal health warnings are becoming obsolete. This shift toward predictive, data-driven alerts suggests that public health infrastructure must evolve to handle 'climate-shifted' disease patterns where medical cures are unavailable.


