A 4-year-old child presented with a painful swelling in front and behind the ears, analgesics were prescribed with complete improvement. 10 days after, the child had severe abdominal pain and vomiting. Examination reveals diffuse abdominal tenderness without organomegaly.

A 3-year-old child presented with high fever and a painful swelling in front and behind the right car. Examination reveals temperature 39.5, toxic ill child and severe tenderness over the swelling. Pressure on the swelling results in white discharge from. the parotid duct.

A 15 month old boy is brought by his mother with fever for 24 hours which doesn't decrease with acetaminophen. His temperature is 39.8 C degrees. Despite the fever he has been playing with his toys but has refused solid foods. Blood picture reveals leucocytosis 12,000 mostly lymphocyte band cell ratio 6% with normal ESR.

An 8-year-old boy presents to your office with a 3-day history of fevers, sore throat, and headache. His mother also states that he occasionally has been complaining that his abdomen hurts. This morning, the boy's mother noticed that he has developed a red, bumpy rash on his neck and under his arms. On physical exam, his tonsils are erythematous and enlarged.

6-year-old boy is brought to the pediatrician because of a 3 day history of skin lesions. On physical examination, he has multiple yellow, crusted erosions below the nares and on the cheeks, chin, and upper extremities. Vital signs are within normal limits. The rest of the examination is normal.