1. 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 Number of cases Year Reported Acute Cases Adjusted Acute Cases * Adjusted for underreporting. Note: Until 1995, acute hepatitis C was reported as “acute hepatitis, non-A /non-B.” Source: National Notifiable Diseases Surveillance System (NNDSS)

2. Source: National Notifiable Diseases Surveillance System (NNDSS) * Until 1995, acute hepatitis C was reported as “acute hepatitis, non-A /non B.”

3. 0 0.5 1 1.5 2 2.5 3 3.5 Reported cases/100,000 population Year Male Female Source: National Notifiable Diseases Surveillance System (NNDSS) * Until 1995, acute hepatitis C was reported as “acute hepatitis, non-A /non-B.”

4. 0 0.5 1 1.5 2 2.5 3 3.5 4 Reported cases/100,000 population Year American Indian/Alaskan Native Asian/Pacific Islander Black, non- Hispanic White, non - Hispanic Source: National Notifiable Diseases Surveillance System (NNDSS) * Until 1995, acute hepatitis C was reported as “acute hepatitis, non-A /non-B.”

5. *Includes case reports indicating the presence of at least one of the following risks 6 weeks to 6 months prior to onset of acute, symptomatic hepatitis C: 1) using injection drugs; 2) having sexual contact with suspected/confirmed hepatitis C patient; 3) being a man who has sex with men; 4) having multiple sex partners concurrently; 5) having household contact with suspected/confirmed hepatitis C patient; 6) having had occupational exposure to blood; 7) being a hemodialysis patient; 8) having received a blood transfusion; 9) having sustained a percutaneous injury; and 10) having undergone surgery. 339 43% 152 20% 290 37% Risk identified * No risk identified Source: National Notifiable Diseases Surveillance System (NNDSS) Risk data missing

6. *A total of 781 case reports of hepatitis C were received in 2009. † More than one risk exposure may be indicated on each case report. § Risk data not reported. Source: National Notifiable Diseases Surveillance System (NNDSS) 8 1 59 32 402 353 275 312 371 427 447 437 Occupation Dialysis patient Surgery Needle stick 0100200300400500 Yes No Missing § Number of cases

7. *A total of 781 case reports of hepatitis C were received in 2009. † More than one risk behavior may be indicated on each case report. § Risk data not reported. ¶ A total of 397 hepatitis C cases were reported among males in 2009. Source: National Notifiable Diseases Surveillance System (NNDSS) 241 1 25 94 5 191 46 128 187 148 349 347 628 500 628 Injection-drug use Men who have sex with men ¶ Sexual contact Multiple sex partners Household contact 0100200300400500600700 Yes No Missing § Number of cases