Viral and Vaccination Status

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The Registry participants <30 years of age were less likely to have a history of infection with hepatitis B virus (HBV), hepatitis C virus (HCV) or human immunodeficiency virus (HIV) compared to participants >30 years of age.  Vaccination status for hepatitis A virus (HAV) and HBV was higher among participants <30 years of age compared to those >30 years of age (Table 4).

Table 4: Overview of the Registry participants’ viral and vaccination status, hepatitis A, hepatitis B, and human immunodeficiency virus by age, 2014

Overview of the Registry participants’ viral and vaccination status, hepatitis A, hepatitis B, and human immunodeficiency virus by age, 2014
Total N = 3,161 <30 years of age N = 2,147 >30 of age years N= 1,014
History of HBV Infection N (%)
Yes 172(5) 12(1) 160(16)
No 2,699(86) 1,961(91) 738(73)
Unknown 290(9) 174(8) 116(11)
History of HCV Infection N (%)
Yes 595(19) 45(2) 550(54)
No 2,324(74) 1,921(89) 403(40)
Unknown 242(8) 181(8) 61(6)
History of HIV Infection N (%)
Yes 163(5) 5(0) 158(16)
No 2,734(87) 1,943(90) 791(78)
Unknown 264(8) 199(9) 65(6)
History of HAV Vaccination N (%)
Yes 1,969(63) 1,454(68) 515(51)
No 337(11) 189(9) 148(15)
Unknown 855(27) 504(23) 351(35)
History of HBV Vaccination N (%)
Yes 2,189(70) 1,700(79) 489(48)
No 259(8) 67(3) 192(19)
Unknown 713(23) 380(18) 333(33)

Due to rounding, percentages may not add up to exactly 100%