Final answer:
Mumps is a viral infection that primarily affects the parotid glands. Symptoms include fever, muscle pain, headache, loss of appetite, and swelling of the salivary glands. Complications such as testicular inflammation may occur, but sterility is rare.
Step-by-step explanation:
Mumps is a viral infection caused by the mumps virus (MuV). It primarily affects the parotid glands, which are the largest of the three pairs of salivary glands. Symptoms of mumps include fever, muscle pain, headache, loss of appetite, and swelling of the salivary glands. In some cases, mumps can lead to complications such as orchitis (testicular inflammation) in males, but sterility is a rare occurrence.