Abstract
Rickettsial infections are under-reported in India. The actual disease burden has been underestimated as non-specific serological tests are mostly used to diagnose these infections. The aim of this study was the detection of Rickettsia infections in clinical specimens by Real-time Polymerase Chain Reaction.A study was established to analyse blood samples taken from pyrexia of unknown origin (PUO) or undifferentiated fever cases. A total of 69 such patients, were referred/walked-in to our diagnostic centre, Indore, India between October 2021 and May 2023. The blood samples were collected in EDTA lavender (purple) top tube.Of the tested samples, 14 patients (20.3%) were positive for Rickettsia infection.Gender wise distribution revealed higher incidence (57%) of Rickettsial infections in male patients. Children were majorly infected (50% of cases); multiple infection was also noted in them, though severity was not high. Severe clinical manifestation including hospitalization was also noted in some patients. Few reports are available from India on molecular diagnosis of Rickettsia infection. Early-stage molecular diagnosis will help to stave off and prevent serious complications.
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