Contact Information
Los Angeles County
Department of Public Health
Immunization Program
3530 Wilshire Blvd. Suite 700
Los Angeles, CA 90010
Phone: (213) 351-7800
Fax: (213) 351-2780
Email: ip@ph.lacounty.gov

Perinatal Hepatitis B Prevention Unit
Phone: (213) 351-7400
Fax: (213) 351-2781
Email: ip@ph.lacounty.gov


Mumps is an acute, contagious viral disease characterized by swelling of the salivary or parotid glands (parotitis) just below the ear and around the jaw. The virus is spread from person to person via respiratory droplets and may cause additional symptoms such as difficulty eating, muscle aches, severe headache, and low-grade fever. These symptoms, as well as the parotitis, may last for up to 10 days. Complications of the mumps include deafness, meningitis (infection of the brain and spinal cord covering), painful swelling of the testicles and ovaries, and rarely death. Mumps can be prevented by receiving 2 doses of mumps.

Mumps can be prevented by receiving 2 doses of mumps-containing vaccine (measles, mumps, rubella [MMR] or measles, mumps, rubella, varicella [MMRV]). Infants should receive their first dose of MMR or MMRV vaccine at 12 months of age. A second dose is recommended at 4 through 6 years of age. Adolescents and adults at high risk for exposure (healthcare personnel, international travelers, and college students) who have never received a mumps-containing vaccine or do not have proof of immunity, should receive two doses of MMR vaccine 4 weeks apart.

Information and Resources for Families Information and Resources for Providers
Reporting Guidelines and Resources Alerts, Updates, and Reports

Report mumps cases to the Los Angeles County Department of Public Health within 7 working days by submitting the Confidential Morbidity Report (CMR) Form.  Do not wait for lab results.

Business Hours: 
Phone: (888) 397-3993

Fax: (888) 397-3778 

After Business Hours 
Phone: (213) 974-1234

About Us
Mission Statement: To improve immunization coverage levels & prevent vaccine-preventable diseases.

Vision: Healthy children and adults, free of vaccine-preventable diseases.

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Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.
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