Since the first confirmed mumps case was reported on January 29, the university says its investigated 19 suspected or probable cases and 4 have been confirmed by lab tests.
University Health Services (UHS), a unit of Penn State Student Affairs, is advising all students to closely monitor their personal health and avoid high-risk activities as potential mumps cases at University Park continue to rise.
ADPH recommends students, faculty and staff who have not been vaccinated with two doses of the measles, mumps rubella vaccine (MMR) to do so at the Student Health Center, a doctor's office or a health department. Mumps is most likely spread one or two days before and five days after symptoms start.
MacDonald said adults who haven't been immunized can still get the vaccine.
People with mumps can also experience fever, headache, fatigue and inflammation of the salivary glands, causing patients' necks to swell, or even mastitis, inflammation of the breast tissue.
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"At present, mumps does not come as a single antigen vaccine and is available only as combined MMR vaccine so deliberating a third dose would also need to consider extra doses of measles and rubella", said Stinchfield, who is Senior Director of Infection Prevention at Children's Hospitals and Clinics of Minnesota. An infected person can spread the virus by coughing, sneezing, talking, sharing items, and touching objects or surfaces with unwashed hands.
The Medicine Hat Tigers of the Western Hockey League have confirmed about half a dozen players and a coach have confirmed cases of the mumps. They occur about two weeks after exposure.
"But getting vaccinated can help protect you", he said.
Hardy adds that children are most susceptible to getting mumps, and said that kids should be vaccinated for the disease at an early age. If you think you may have mumps, school officials ask that you talk with your medical provider or Chapman Student Health.