"We strongly suspect it to be leptospirosis caused by rats. The infection would first spread from rat to domestic animals and from them to the people who were having animals in their house," K Sadhasivam of Hosur-based Institute of Vector Control and Zoonoses told reporters here.
Concerned about increasing number of cases of high fever, mostly among children and persisting for more than a week despite treatment, state Public Health department has deputed the team to examine the affected persons and find a solution.
Some goats in the area were found to have been affected by leptospirosis, an infectious disease transmitted to humans from domestic animals, health officials said.