Table 3.

This table shows the summary outcome at the end of the outbreak

	Overall outcomes
Date of detection of first and last case	27 July 2005 - 29 September 2005
Estimated date of first infection	20 April 2005
Number of susceptible subjects	45 (50 patients on HD 5 of whom already anti-HCV positive)
Number of clusters	1 main cluster plus 1 or 2 secondary events
Overall number of cases	13 (8 confirmed 5 possible)
Attack rate	28.9% (13/45)
Clinical attack rate	22.2% (10/45)
Fatalities	None
Index case	Female 81 with chronic HCV infection and end stage renal disease
Clinical outcome	5 chronic infections (none of whom was treated); 8 recovered (3 received Peg-IFN-2a therapy).
Associated factors	Lack in application of standard precautions (i.e. use of shared heparin and saline solution vials and possibly fail in changing gloves) and lack in risks management.