Review Question - QID 215042

A 4-year-old boy comes to the pediatrician with his mother with a 3-day history of cough and runny nose with decreased oral intake over the past 24 hours. His activity level has been normal and he has been attending school until this morning. He has no medical history or known allergies, but he has not received any of the recommended vaccines due to parental refusal. His temperature is 100.3°F (37.9°C), blood pressure is 98/62 mmHg, pulse is 85/min, respirations are 22/min, and oxygen saturation is 98% on room air. On examination, the child is fussy. Bilateral conjunctivae are injected, and there is redness on and around the tonsils. There is no lymphadenopathy. Faint rhonchi are heard at the lung bases bilaterally. Which of the following is the most appropriate next step in management?