Table 1b. Incidence per 100,000 population of acute, symptomatic hepatitis A, by state/area and year - United States, 1996-2008
|
Hepatitis A
|
Hepatitis B
|
Hepatitis C
|
||||
|---|---|---|---|---|---|---|
| Year | No. | Rate | No. | Rate | No. | Rate |
| 1966 |
32859
|
16.8
|
1497
|
0.8
|
—†
|
—†
|
| 1967 |
38909
|
19.7
|
2458
|
1.3
|
—†
|
—†
|
| 1968 |
45893
|
23.0
|
4829
|
2.5
|
—†
|
—†
|
| 1969 |
48416
|
24.0
|
5909
|
3.0
|
—†
|
—†
|
| 1970 |
56797
|
27.9
|
8310
|
4.1
|
—†
|
—†
|
| 1971 |
59606
|
28.9
|
9556
|
4.7
|
—†
|
—†
|
| 1972 |
54074
|
26.0
|
9402
|
4.5
|
—†
|
—†
|
| 1973 |
50749
|
24.2
|
8451
|
4.0
|
—†
|
—†
|
| 1974 |
40358
|
19.5
|
10631
|
5.2
|
—†
|
—†
|
| 1975 |
35855
|
16.8
|
13121
|
6.3
|
—†
|
—†
|
| 1976 |
33288
|
15.5
|
14973
|
7.1
|
—†
|
—†
|
| 1977 |
31153
|
14.4
|
16831
|
7.8
|
—†
|
—†
|
| 1978 |
29500
|
13.5
|
15016
|
6.9
|
—†
|
—†
|
| 1979 |
30407
|
13.8
|
15452
|
7.0
|
—†
|
—†
|
| 1980 |
29087
|
12.8
|
19015
|
8.4
|
—†
|
—†
|
| 1981 |
25802
|
11.3
|
21152
|
9.2
|
—†
|
—†
|
| 1982 |
23403
|
10.1
|
22177
|
9.6
|
2,629§
|
1.1§
|
| 1983 |
21532
|
9.2
|
24318
|
10.4
|
3,470§
|
1.5§
|
| 1984 |
22040
|
9.3
|
26115
|
11.1
|
3,871§
|
1.6§
|
| 1985¶ |
23257
|
10.0
|
26654
|
11.5
|
4,192§
|
1.8§
|
| 1986¶ |
23430
|
10.0
|
26107
|
11.2
|
3,634§
|
1.6§
|
| 1987 |
25280
|
10.4
|
25916
|
10.7
|
2,999§
|
1.2§
|
| 1988 |
28507
|
11.6
|
23177
|
9.4
|
2,619§
|
1.1§
|
| 1989 |
35821
|
14.4
|
23419
|
9.4
|
2,529§
|
1.0§
|
| 1990 |
31441
|
12.6
|
21102
|
8.5
|
2,553§
|
1.0§
|
| 1991 |
24378
|
9.7
|
18003
|
7.1
|
3,582§
|
1.4§
|
| 1992 |
23112
|
9.1
|
16126
|
6.3
|
6010
|
2.4
|
| 1993 |
24238
|
9.4
|
13361
|
5.2
|
4786
|
1.9
|
| 1994 |
26796
|
10.3
|
12517
|
4.8
|
4470
|
1.8
|
| 1995 |
31582
|
12.0
|
10805
|
4.1
|
4576
|
1.7
|
| 1996 |
31032
|
11.7
|
10637
|
4.0
|
3716
|
1.4
|
| 1997 |
30021
|
11.2
|
10416
|
3.9
|
3816
|
1.4
|
| 1998 |
23229
|
8.6
|
10258
|
3.8
|
3518
|
1.3
|
| 1999 |
17047
|
6.3
|
7694
|
2.8
|
3111
|
1.1
|
| 2000 |
13397
|
4.8
|
8036
|
2.9
|
3197
|
1.1
|
| 2001 |
10615
|
3.7
|
7844
|
2.8
|
1,640**
|
0.7**
|
| 2002 |
8795
|
3.1
|
8064
|
2.8
|
1,223 ††
|
0.5 ††
|
| 2003 |
7653
|
2.6
|
7526
|
2.6
|
891††
|
0.3 ††
|
| 2004 |
5683
|
1.9
|
6212
|
2.1
|
758
|
0.3
|
| 2005 |
4488
|
1.5
|
5494
|
1.8
|
694
|
0.2
|
| 2006 |
3579
|
1.2
|
4,713§§
|
1.6§§
|
802
|
0.3
|
| 2007¶¶ |
2979
|
1.0
|
4519
|
1.5
|
849
|
0.3
|
| 2008¶¶ |
2585
|
0.9
|
4,033***
|
1.3***
|
878***
|
0.3
|
Source: National Notifiable Diseases Surveillance System, 1966-2008.
† Non-A, non-B hepatitis became a reportable disease in 1982.
§Numbers and rates shown for hepatitis C/ Non-A, non-B hepatitis were unreliable, reflecting the erroneous reporting of chronically infected persons as acute cases that occurred when testing for antibody to hepatitis C virus (anti-HCV) first became widely available.
¶ Excludes cases from New York City; data not available for 1985 – 1986. **Excludes cases from New Jersey and Missouri.
†† Excludes cases from Missouri.
§§ Excludes cases from Arizona.
¶¶ Excludes cases from the District of Columbia;
data not available for 2007 – 2008.
***Excludes cases from Delaware.
In 2008, a total of 4,033 acute, symptomatic cases of hepatitis B were reported nationwide. The overall incidence rate of 1.3 cases per 100,000 population was the lowest ever recorded.