| viral hepatitis: enzyme assays and serologic procedures in the study of an epidemic. | an epidemic of viral hepatitis beginning in late 1975 in a residence for multiply handicapped children, recognized very early in its course, was investigated prospectively to permit comparison of enzymatic and serologic tests. thirty-three residents of the institution and 46 full- and part-time employees were studied by the immune adherence hemagglutination procedure for antibody (anti-hav) to hepatitis a virus (hav). of these, 31 residents and 37 staff members were susceptible at the beginning ... | 1977 | 201170 |
| an outbreak of hepatitis a associated with green onions. | forty-three cases of serologically confirmed hepatitis a occurred among individuals who ate at restaurant a in ohio in 1998. serum samples from all restaurant a employees who worked during the exposure period were negative for igm antibodies to hepatitis a virus (hav). a matched case-control study determined that foods containing green onions, which were eaten by 38 (95%) of 40 case patients compared with 30 (50%) of 60 control subjects, were associated with illness (matched odds ratio, 12.7; 95 ... | 2001 | 11262211 |
| regional variation in the cost effectiveness of childhood hepatitis a immunization. | routine childhood hepatitis a immunization is recommended in regions with incidence rates twice the national average, but it may be cost-effective in a wider geographic area. | 2003 | 14551492 |
| helicobacter pylori and risk of gastroenteritis. | helicobacter pylori infection is thought to modify susceptibility to gastroenteritis. | 2004 | 15216465 |
| hepatitis a in hispanic children who live along the united states-mexico border: the role of international travel and food-borne exposures. | hispanic children who live along the united states-mexico border historically have had among the highest hepatitis a rates in the united states, but risk factors have not been well characterized. the objective of this study was to examine risk factors associated with acute hepatitis a virus (hav) infection in hispanic children who live along the united states-mexico border in san diego county, california. | 2004 | 15231975 |
| quantitative detection of hepatitis a virus and enteroviruses near the united states-mexico border and correlation with levels of fecal indicator bacteria. | for decades, untreated sewage flowing northward from tijuana, mexico, via the tijuana river has adversely affected the water quality of the recreational beaches of san diego, california. we used quantitative reverse transcription-pcr to measure the levels of hepatitis a virus (hav) and enteroviruses in coastal waters near the united states-mexico border and compared these levels to those of the conventional fecal indicators, escherichia coli and enterococci. over a 2-year period from 2003 to 200 ... | 2006 | 16980430 |
| 3 for life: a model pilot program to prevent hepatitis b virus infection and liver cancer in asian and pacific islander americans. | 3 for life aims to increase hepatitis b virus (hbv) awareness and reduce the high prevalence of undiagnosed chronic hbv infection and susceptibility among asian/pacific islander (api) adults. | 2009 | 19149422 |
| predictors of hav/hbv vaccination completion among methadone maintenance clients. | this randomized, controlled study (n = 256) was conducted to compare three interventions designed to promote hepatitis a virus (hav) and hepatitis b virus (hbv) vaccination completion among clients undergoing methadone maintenance (mm) treatment. participants were recruited from five mm treatment sites in southern california and randomized into three groups: motivational interviewing-single (mi-single), motivational interviewing-group (mi-group); and nurse-led hepatitis health promotion (hhp). a ... | 2010 | 20143328 |