| an outbreak of mumps in sweden, february-april 2004. | between 24 february and 26 april 2004, västra götaland county in sweden reported 42 cases of suspected mumps. a descriptive study of the cases was undertaken. a questionnaire was administered by telephone and vaccine effectiveness was calculated using the screening method. seventy four per cent (31/42) of the suspected cases were interviewed by telephone. eight out of the 42 serum samples were positive or equivocal for mumps igm by elisa. mumps virus genome was identified in 21/42 (50%) saliva s ... | 2005 | 16280614 |