A 14-year-old boy present with headache, fever, and cough for 2 days. Sputum is scant and non-purulent and gram stain reveals many white cells but no organisms. The treatment should be initiated with :: (A) Cefazolin, (B) Erythromycin, (C) Amikacin, (D) Trovafloxacin
Answer is B. None