Table 1. Shows all the interventions performed to contain the spreading of the infection either by hospital authority before the INMI's involvement or undertaken by INMI epi-team its-self.
| Institution responsible for the activity | Type of Activity | Date |
| Local health authority | Deferral of HSC autografts | 1 March to 1 April 2007 |
| Map of blood donor | 10 March 2007 | |
| INMI's Epi-team | Acquisition of data about all interventions already undertaken | 10 March 2007 |
| Timing meeting between hospital authority and epi-team (5 meeting held) | 10 March to 22 June 2007 | |
| Test of all HSC unit to restart autografts | 15–20 March 2007 | |
| Auditing: Interview of medical heads of OHU, TMU and IRU | 10–15 March 2007 | |
| Auditing: Interview of OHU's nurse and nurse coordinator | 19–23 March 2007 | |
| Auditing: Acquisition of internal protocol in use in OHU, TMU and IRU | 15 march 2007 | |
| Auditing: Review of HCW's HBV testing | April 2007 | |
| Environmental inspection in OHU | 2 April 2007 | |
| Environmental inspection in TMU | 15 March 2007 | |
| Implementation of a enhanced survey to detect new cases of HBV infection | March 2007–March 2008 | |
| Educational event on blood-borne infection (2 days course for OHU's HCW) | 14–15 June 2007 |
INMI = National Institute for Infectious diseases; HSC = hematopoietic stem cells; HBV = hepatitis B virus; HCW = healthcare workers; OHU = onco-hematology unit; TMU = transfusion medicine unit; IRU = interventional radiology unit.