A recent study has identified the Asian longhorned tick as a carrier of nairovirus, detecting the pathogen in roughly one‑tenth of more than 3,000 individuals who sought medical care after tick bites. The findings, based on extensive testing of blood samples, suggest that the virus may be more widespread than previously thought, raising concerns for public health officials in regions where the invasive tick species has established itself. Researchers warn that while many infections appear mild or asymptomatic, the potential for severe illness underscores the need for heightened surveillance, prompt diagnosis, and public education on tick avoidance. The study also highlights the importance of monitoring emerging vector‑borne diseases as climate change and global travel facilitate the spread of exotic ticks.


Asian longhorned tick nairovirus was found in 10.4% of more than 3,000 patients bitten by ticks.