Effectiveness of single-dose administration of inactivated hepatitis A virus vaccination in the Republic of Korea armed forces, 2013-2016

초록

The Republic of Korea Armed Forces has implemented the hepatitis A virus (HAV) vaccination programme with a single-dose administration schedule in new recruits since 2013. A single-dose administration was selected for economic feasibility. We analysed the effectiveness of the single-dose HAV vaccination in a young and healthy population. To measure the effectiveness of the programme, we observed the incidence of HAV between the vaccinated and unvaccinated groups. A comparison between the two groups during the vaccine introduction period (2013-2016) revealed a lower incidence rate of infection in the vaccinated group (3 cases/603 550 person-years) than in the unvaccinated group (21 cases/1 020 450 person-years). The effectiveness of single-dose HAV vaccination was found to be 75.85%.

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