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BACKGROUND: Scrub typhus is a common cause of fever in parts of South East and Southern Asia. Little is known about the disease burden in Vietnam. METHODS: A 2-year observational study of scrub typhus at a tertiary referral hospital in northern Vietnam was carried out. Diagnosis was based on a single serological test in patients with suggestive clinical symptoms. RESULTS: Scrub typhus was diagnosed in 3.5% (251/7226) of admissions. Cases occurred throughout the year, with incidence highest in the summer. Although complications were common, mortality was low (1.2%; 3/251). CONCLUSIONS: These data suggest that scrub typhus is common, with a seasonal distribution in northern Vietnam.

Original publication




Journal article


Trans R Soc Trop Med Hyg

Publication Date





739 - 740


Orientia tsutsugamushi, Scrub typhus, South East Asia, Vietnam, Adolescent, Adult, Age Factors, Aged, Aged, 80 and over, Agriculture, Asia, Child, Child, Preschool, Diagnosis, Differential, Female, Humans, Incidence, Infant, Infant, Newborn, Male, Middle Aged, Observational Studies as Topic, Orientia tsutsugamushi, Referral and Consultation, Scrub Typhus, Seasons, Vietnam, Young Adult