Children and adolescents in the Psychiatric Emergency Department: a 10-year survey in Copenhagen County.

Background: Knowledge on psychiatric emergencies in children and adolescents is limited. The Psychiatric Emergency Departments (PED) in Copenhagen enable the acute examination of children and adolescents 24 h a day, 7 days a week. However, very little is known about who presents to the PED, and the reason for their visit.

Long-term persistence of mumps antibody after receipt of 2 measles-mumps-rubella (MMR) vaccinations and antibody response after a third MMR vaccination among a university population.

Background: High attack rates among vaccinated young adults reported during the 2006 mumps outbreak in the United States heightened concerns regarding mumps vaccine failure.

Methods: Serum specimens from university students and staff were tested for mumps immunoglobulin (Ig) G by enzyme immunoassay (EIA). A subset of participants vaccinated for < or =5 years and > or =15 years were tested by neutralizing antibody (NA) assay.