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

"My child has some swelling around her eyelids and mouth."

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

"My child only ate 2 ounces during her last feeding."

"My child has a temperature of 100.7 degrees Fahrenheit."