| hepatitis a vaccination by havrix in the czech u.n. troops according to data of seroprevalence in 1991-1995. | viral hepatitis a is a common disease, particularly in developing countries. all staff and troops of the u.n. (united nations) are vaccinated by the havrix vaccine. till 1995 we did not vaccinate czech troops which have operated in the area of former yugoslavia. the main goal of this study was to obtain data about the seroprevalence of hepatitis a antibody among the czech u.n. troops before their departure to the conflict area and to optimize the vaccination approach. the serum samples were exam ... | 1996 | 8996717 |