Match each disease with its classic symptoms.
a. croup
b. RSV (respiratory syncytial virus)-
c. SARS (severe acute respiratory syndrome)
d. influenza

Pairs
a. fever, chills, cough, chest pain, sore throat, muscle pain
b. high fever, chills, cough, chest pain, stiffness, confusion
c. fever, chills, cough, chest pain, respiratory wheezing
d. seal-like bark, hoarseness, respiratory distress