Detection of Pandemic (H1N1) 2009 Virus in Patients Treated with Oseltamivir
David Boutolleau , Nadhira Houhou, Claire Deback, Henri Agut, and Françoise Brun-Vézinet
Author affiliations: Université Pierre et Marie Curie 6, Paris, France; (D. Boutolleau, C. Deback, H. Agut); Pitié-Salpêtrière University Hospitals, Paris (D. Boutolleau, C. Deback, H. Agut); Bichat-Claude Bernard University Hospital, Paris (N. Houhou, F. Brun-Vézinet)
Figure. Duration of pandemic (H1N1) 2009 excretion in nasal swabs from patients treated with oseltamivir. The number of days from start of oseltamivir treatment to achievement of negative results of reverse transcription–PCR (RT-PCR) is indicated for 16 patients. The 3 patients classified in the last group (>5 days) are 1 patient with a negative RT-PCR result on day 7 posttreatment and 2 patients who still had positive results on day 5 posttreatment but provided no additional sample for testing.
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