• Arun Kumar Mahato, Nischal Shrestha, Sakar Babu Gharti, and Madhu Shah.
• Department of Internal Medicine, Nobel Medical College Teaching Hospital, Biratnagar, Morang, Nepal.
• JNMA J Nepal Med Assoc. 2022 Aug 1; 60 (252): 714717714-717.

IntroductionDengue and typhoid fever are different entities with overlapping signs and symptoms which are indistinguishable and there have been few reports of co-infections from endemic areas. The resemblance of symptoms makes accurate clinical diagnosis and treatment difficult. Both are major health problems mainly during monsoon and co-infection, if not timely diagnosed and treated can be fatal. The aim of this study was to find out the prevalence of typhoid fever among patients diagnosed with dengue at a tertiary care centre.MethodsA descriptive cross-sectional study was done among patients of age >15 years with dengue fever attending the medicine outpatient department in a tertiary care centre from 1 July 2021 to 30 June 2022. Ethical approval was taken from the Institutional Review Committee (Reference number: 466/2020). Convenience sampling was used. Patients with other risk factors for febrile illness were excluded from the study. Point estimate and 90% Confidence Interval were calculated.ResultsAmong 95 dengue cases, typhoid fever was observed in 18 (18.95%) (12.36-25.54, 90% Confidence Interval). The mean age of presentation was 35±9 years with a male to female ratio of 0.8:1. Fever was the most common presentation with a mean temperature of 100.8±2.1°F.ConclusionsThe prevalence of typhoid fever among dengue-positive cases was higher as compared to other studies done in similar settings.Keywordsdengue; fever; typhoid fever.

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