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Comparative Diagnosis Of Typhoid Fever By Polymerase Chain Reaction And Widal Test In Southern Districts (Bannu, Lakki Marwat And D.I.Khan) Of Khyber Pakhtunkhwa, Pakistan

Irfan Ullah Khan (), Sanaullah Sajid, Asad Javed, Sedra Sajid, Shafi Ullah Shah, Shahid Niaz Khan and Kalim Ullah
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Irfan Ullah Khan: Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan
Sanaullah Sajid: Institute of Microbiology, Faculty of veterinary science, University of Agriculture, Faisalabad, Pakistan
Asad Javed: Institute of Microbiology, Faculty of veterinary science, University of Agriculture, Faisalabad, Pakistan
Sedra Sajid: Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan
Shafi Ullah Shah: Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan
Shahid Niaz Khan: Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan
Kalim Ullah: Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan

Acta Scientifica Malaysia (ASM), 2017, vol. 1, issue 2, 12-15

Abstract: Typhoid fever is a major dilemma in developing nations, despite the antibiotic use and new antibiotics discovery. Blood culture and serological tests (especially Widal test) that are regularly performed in Pakistan for diagnosis provide objectionable levels of false negative and false positive results, respectively. The present study was carried out at Kohat University of science and technology, Kohat, Pakistan from January 2013 to December 2013. A polymerase chain reaction (PCR) assay was compared with Widal test and blood culture for blood samples of 96 patients. In this study, blood from 25 healthy individuals was collected as a negative control. The detection rate of PCR was maximum (64.5%) followed by Widal test (26%) and blood culture (14.5%). Among the 82 (85.4%) samples that were found negative with blood culture, 48 (58.5%) were successfully detected by PCR and 11 (13.4%) were positive for the Widal test. Findings of this study showed that PCR is a fast and reliable technique for diagnosis of typhoid fever in suspected cases, as compared to frequently used conventional techniques like blood culture and Widal test.

Keywords: Widal test; PCR; Blood culture; Typhoid fever; Salmonella typhi Journal: Acta Scientifica Malaysia (ASM) (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnasm:v:1:y:2017:i:2:p:12-15

DOI: 10.26480/asm.02.2017.12.15

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