| durability of response to vaccination against viral hepatitis a in hiv-infected patients: a 5-year observation. | the aim of this study was to estimate the prevalence of total antibodies to hepatitis a virus (anti-hav-t) in the group of hiv-positive adults in lodz region of poland, and to evaluate the response and long-term immunity after vaccination against hepatitis a virus. in the group of 234 hiv-infected patients, 72 persons (30.8%) were anti-hav-t positive (>20 iu/l). in multivariate analysis, two independent factors associated with the presence of anti-hav-t were identified: the age of patients (or = ... | 2014 | 24452731 |