Mumps remains a common disease in many parts of the world, including areas in Europe, Asia, the Pacific, and Africa. Anyone who is not protected against mumps is at risk of getting infected when they travel internationally.

As the meningococcal outbreak in Southern California worsens, the California Department of Public Health (CDPH) has urged all gay and bisexual men and those with HIV in Los Angeles, Orange County and San Diego counties to get vaccinated.