Surveillance of hepatitis B is based upon reports of confirmed acute hepatitis B diagnoses from laboratories in England and Wales. The information available, which is from 1998 to 2003 and down to regional level, is shown in the following tables.
1998 1999 2000 Age group Male Female Not known Total Male Female Not known Total Male Female Not known Total <1 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 years 1-4 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 years 5-9 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 5 years 10-14 <5 <5 <5 6 <5 <5 <5 6 <5 <5 <5 <5 years 15-24 124 99 <5 225 107 92 6 205 98 80 6 184 years 25-34 212 79 5 296 164 72 <5 240 192 56 10 258 years 35-44 106 35 <5 145 109 27 <5 138 99 31 <5 131 years 45-54 66 20 <5 86 63 11 <5 74 61 14 <5 75 years 55-64 26 <5 <5 29 28 5 <5 34 25 8 <5 35 years >=65 16 9 <5 26 18 7 <5 28 14 6 <5 20 Years Not known 19 8 <5 28 17 <5 <5 21 9 4 <5 14 Total 574 256 13 843 512 223 17 752 503 204 20 727
Age group Male Female Not known Total Male Female Not known Total Male Female Not known Total <1 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 years 1-4 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 years 5-9 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 years 10-14 <5 <5 <5 <5 <5 <5 <5 5 <5 <5 <5 <5 years 15-24 71 73 <5 147 112 92 <5 208 67 52 5 124 years 25-34 140 51 <5 195 208 77 <5 289 156 70 5 231 years 35-44 96 31 <5 130 158 46 <5 206 137 35 <5 172 years 45-54 52 7 <5 62 69 16 <5 86 67 19 <5 87 years 55-64 23 <5 <5 26 42 7 <5 51 37 9 <5 47 years >=65 15 5 <5 20 17 7 <5 24 20 10 <5 30 Years Not known 11 <5 <5 15 12 5 <5 21 <5 <5 <5 8 Total 411 173 15 599 622 256 17 895 494 200 15 709
1998 1999 2000 Age group Male Female Not known Total Male Female Not known Total Male Female Not known Total <1 year <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 1-4 year <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 5-9 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 10-14 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 15-24 years <5 6 <5 6 5 7 <5 12 5 12 <5 17 25-34 years 11 <5 <5 13 16 4 <5 20 15 6 <5 21 35-44 years <5 <5 <5 <5 5 <5 <5 6 6 <5 <5 8 45-54 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 55-64 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 >=65 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 Not known <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 Total 22 10 <5 32 31 12 <5 43 33 23 <5 56
Age group Male Female Not known Total Male Female Not known Total Male Female Not known Total <1 year <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 1-4 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 5-9 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 10-14 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 15-24 years 6 5 <5 11 10 5 <5 15 <5 <5 <5 5 25-34 years 11 <5 <5 15 16 7 <5 23 <5 7 <5 9 35-44 years 5 5 <5 10 12 <5 <5 14 8 <5 <5 11 45-54 years 6 <5 <5 8 <5 <5 <5 <5 5 <5 <5 9 55-64 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 >=65 years <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 5 Not known <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 <5 Total 29 15 <5 45 43 18 <5 61 23 20 <5 43 Notes: 1. Since 2003, the completeness of data on whether hepatitis B infections are acute or chronic infection has decreased and therefore figures for 2004 onwards are not reliable. The HPA is working to improve the quality of information on acute hepatitis B reporting and provisional data for 2007 should be available later this year. 2. Data are reported by laboratory rather than by the patient’s place of residence. Therefore, any breakdown of data below regional level is not considered reliable. 3. Where fewer than five cases were reported for an area, the table indicates the number of cases reported as <5 rather than the actual number in order to reduce the risk of deductive disclosure of an individual’s identity. Source: Health Protection Agency (HPA).