1. Mumps epidemic—Iowa, 2006;Anon;MMWR,2006
2. Update: multistate outbreak of mumps—United States, January 1–May 2, 2006;Anon;MMWR,2006
3. Brief report: update: mumps activity—United States, January 1–October 7, 2006;Anon;MMWR,2006
4. Vaccines;Plotkin,2004
5. Mumps and mumps vaccine: a global review;Galazka;Bull World Health Organ,1999