Kathmandu, Dec. 18 -- Last week, a man from Sarlahi district reached the Sukraraj Tropical and Infectious Disease Hospital, after other hospitals could not identify the cause of his fever, which continued for around two weeks.

The patient, who is in his early 30's, told doctors that he sought treatment at multiple private hospitals in Kathmandu but neither the fever subsided nor the cause of the problems diagnosed.

"We suspected scrub typhus infection and the test confirmed it," said Dr Sher Bahadur Pun, chief of the Clinical Research Unit at the hospital. "Infection in the winter season indicates that the disease is continuously spreading, even in Tarai districts."

Scrub typhus, or bush typhus, is a potentially fatal infectious diseas...