| participant-collected, mail-delivered oral fluid specimens can replace traditional serosurveys: a demonstration-of-feasibility survey of hepatitis a virus-specific antibodies in adults. | although population-based serosurveys offer an optimal measure of cumulative infection rates, they are seldom performed due to high cost and complex logistics. use of participant self-collected oral fluid as a diagnostic specimen and mail for specimen delivery has the potential of generating reliable, population-representative data at limited cost. | 2007 | 17278676 |
| past infection with hepatitis a virus among vancouver street youth, injection drug users and men who have sex with men: implications for vaccination programs. | in canada, inactivated hepatitis a vaccines are targeted selectively at those at increased risk for infection or its complications. in order to evaluate the need for routine hepatitis a vaccination programs in vancouver for street youth, injection drug users (idus) and men who have sex with men (msm), we determined the prevalence of antibodies against hepatitis a virus (hav) and risk factors for hav in these groups. | 2001 | 11517645 |
| hepatitis c and the british columbia experience with hepatitis a vaccination. | the prevalence of hepatitis c virus (hcv) infection in british columbia is approximately 1.5%. experience in this province has revealed that groups at high risk of hcv infection are also prone to outbreaks of hepatitis a virus (hav). as hepatitis a infection can be fatal in hcv-positive individuals, numerous strategies have been implemented to help minimize its spread. the importance of vaccinating individuals at high risk for hepatitis c infection against hav has been recognized. | 2000 | 10870176 |
| evaluation of inactivated hepatitis a vaccine in canadians 40 years of age or more. | to assess the side effects and immune responses after three serial doses of a new inactivated hepatitis a vaccine in people 40 years of age or more. | 1993 | 8431816 |