hepatitis C cases United States 19922009 0 2000 4000 6000 8000 10000 12000 14000 Number of cases Year Reported Acute Cases Adjusted Acute Cases Adjusted for underreporting ID: 352079
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Slide1
Figure 4.1. Reported and adjusted* number of acutehepatitis C cases — United States, 1992–2009
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)Slide2
Figure 4.2. Incidence of acute hepatitis C*, by age group — United States, 1992–2009
Source: National Notifiable Diseases Surveillance System (NNDSS)
* Until 1995, acute hepatitis C was reported as “acute hepatitis, non-A /non B.”
0
1
2
3
4
5
6
7
Reported cases/100,000 population
Year
0
–
19 yrs
20
–
29 yrs
30
–
39 yrs
40
–
49 yrs
50
–
59 yrs
≥ 60 yrsSlide3
Figure 4.3. Incidence of acute hepatitis C*, by sex — United States, 1992–2009
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.”Slide4
Figure 4.4. Incidence of acute hepatitis C*, by race/ethnicity — United States, 1992–2009
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
Hispanic
Source: National Notifiable Diseases Surveillance System (NNDSS)
* Until 1995, acute hepatitis C was reported as
“acute hepatitis, non-A /non-B.”Slide5
Figure 4.5. Distribution of risk exposures/behaviors associated with acute hepatitis C — United States, 2009
*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%15220%29037%
Risk identified
*No risk identified Source: National Notifiable Diseases Surveillance System (NNDSS)Risk data missing Slide6
Figure 4.6a. Acute hepatitis C reports*, by risk exposure
† — United States, 2009
*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
5932402353
275
312
371
427
447
437
Occupation
Dialysis
patient
Surgery
Needle stick
0
100
200
300
400
500
Yes
No
Missing§Number of casesSlide7
Figure 4.6b. Acute hepatitis C reports*, by risk behavior
† — United States, 2009
*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
2594
5
191
46
128
187
148
349
347
628
500
628
Injection-drug use
Men who have
sex
with
men¶
Sexual
contact
Multiplesex partnersHouseholdcontact0
100200300400500600700
Yes
No
Missing
§
Number of cases