After several days of swelling and pain in both parotid glands, 14-year-old Minh experienced fever, with his left scrotum becoming red and painful; doctors diagnosed orchitis as a mumps complication.
Ten days after her father contracted mumps, 7-year-old Mai developed a fever of 39 degrees Celsius and swelling with pain in both parotid glands, leading doctors to diagnose her with an infection from him.
