A 19-year-old university student presents with a sore throat, fever and tender anterior cervical lymphadenopathy for 2 days. He has no cough. According to Canadian recommendations for pharyngitis, what is the most appropriate next step?AStart broad-spectrum antibiotics immediately without testingBPerform a rapid antigen detection test or throat culture and treat for group A streptococcus if positiveCReassure only; antibiotics are never indicated in pharyngitisDOrder throat swab for viral PCR onlyEStart amoxicillin-clavulanate for 10 days empiricallyCheck my answer