Rectal swab for detection of norovirus by real-time PCR: similar sensitivity compared to faecal specimens |
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Affiliation: | 1. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland;2. Viollier AG, Basel, Switzerland;3. Department of Emergency Medicine, University Hospital Basel, Basel, Switzerland |
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Abstract: | Rapid diagnosis and immediate infection control precautions are cornerstones in the prevention of norovirus outbreaks. However, faecal sampling for norovirus PCR—the standard of care—is time consuming. From 2009 to 2011, parallel faecal and rectal swab samples were consecutively obtained from patients with acute gastroenteritis presenting at our emergency department. In total, 109 complete sample pairs of 108 patients were analysed by specific norovirus real-time PCR. The sensitivity of real-time PCR was 97.3% (36/37) for both sampling methods. A rectal swab is a reasonable option for detection of norovirus by real-time PCR, if a stool specimen is not readily available. |
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Keywords: | Norovirus real-time polymerase chain reaction rectal swab viral gastroenteritis whole stool sample |
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