Figure 1From: Duration of viral shedding in hospitalized patients infected with pandemic H1N1 Correlation of initial viral load with the duration after symptom onset in 533 patients. The analysis was performed on 533 NPS collected during the first visit and sent to the Virology Laboratory of the National Institute for Infectious Diseases "L. Spallanzani", Rome, Italy for laboratory diagnosis (r = -0.203, p < 0.0001).Back to article page