Table 1 Epidemiological data.
From: Patient-to-patient transmission of hepatitis C virus (HCV) during colonoscopy diagnosis
Patient | C1 | C2 | C3 |
|---|---|---|---|
Type of case | Prevalent | Incident | Incident |
First symptoms | Asymptomatic | 17/01/2006 | 26/01/2006 |
HCV-negative test | No | 12/12/2005 | 22/09/2004 |
HCV subtype | 1b | 1b | 1b |
Previous risk factors | |||
Contact with HCV (3 years) | No | Yesa | No |
Invasive diagnose or treatment | Colonoscopy (2001) | Acupuncture (Feb.-July 2005) | No |
Surgery | Caesareas (1984 and 1987) | No | No |
Risk factors at the endoscopy unit | |||
Admission day | 19/12/2005 | 19/12/2005 | 19/12/2005 |
Blood collection and intravenous line insertion: order | 1st | 3rd | 2nd |
Sedation and colonoscopy: order | 1st | 2nd | 3rd |
Biopsy | No | No | Yesb |