Concurrent Scrub Typhus, Dengue, and Leptospirosis: A Rare Triple Co-Infection: A Case Report and Comprehensive Literature Review.

In endemic areas, acute undifferentiated febrile illness has a wide differential with overlapping features that can lead to misdiagnosis. Although triple co-infection with scrub typhus, dengue, and leptospirosis is extremely rare, high clinical suspicion and early detection are vital to avoid delayed treatment, multi-organ dysfunction, and mortality.