Additional file 2.Table S2. Frequency, age and gender distribution of patients who sero-converted during 1 year of follow-up. Data are number (percent) or median (interquartile range). Format: DOC Size: 30KB Download file This file can be viewed with: Microsoft Word Viewer Alashek et al. BMC Infectious Diseases 2012 12:265 doi:10.1186/1471-2334-12-265 |