A nurse in a clinic is speaking with a parent of a 1-year-old toddler who received her scheduled immunizations 1 hour ago.Which finding reported by the parent is the nurse's priority?

My child cries when I touch the area where she received the shot.

My child has a temperature of 100.7 degrees Fahrenheit.

My child has some swelling around her eyelids and mouth.

My child only ate 2 ounces during her last feeding.