Symptoms

Initially; chills, headache, lack of appetite, low to moderate grade fever and generalized body weakness and achiness. 12-24 hours later; swelling of the parotid (salivary) gland located just below and in front of the ear, and sometimes nearby glands and tissue, and high fever.

Incubation Period

12-25 days, usually about 16-18 days

Mode of Transmission & Communicability

The virus is spread directly by droplets from coughing and sneezing and indirectly through hands or objects contaminated with nose or throat discharges of infected persons. Communicable 7 days before swelling of the parotid gland and until the swelling resolves (usually 9 days).

School Action

1. Exclude from school until 5 days after the swelling begins.

2. Report the case to the local health department (required by law).

3. Ensure all school-aged children have had 2 mumps vaccines.