The parent of a toddler calls the clinic and tells the nurse, 'I think my child may have the croup.' Which parental statement requires immediate follow-up by the nurse? 1) My child has a mild cough and a hoarse voice. 2) My child has a high fever and difficulty breathing. 3) My child has a runny nose and a sore throat. 4) My child has a rash and is feeling tired.