Guam - The mumps outbreak on Guam continues to spread. The tally of reported cases is now up to 300. Guam Department of Public Health says reports of new cases are coming in on a daily bases since the beginning of the year.  Most reports are in the upper elementary and middle schools students, but nearly all ages have been affected.

In an effort get the epidemic under control the Centers for Disease Control and Prevention is working with local Department of Public Health to develop the best response to the stop the virus from spreading.

DPHSS, the CDC and the Guam Department of Education recently administered a third dose of the measles-mumps-rubella vaccine to student in 4th through 8th grade. This age group was picked because of the high rate of infection.

Mumps is a viral infection that can cause fever, headache, muscle aches, fatigue and swelling of the salivary glands.