Question: A 60-year-old patient who came to the hospital's emergency department due to a left chest pain, cough and yellowish sputum, a temperature of 38.7ºC, a sensation of shortness of breath. Artificial saturation of 02 80%. Hemogram leukocytes 12000 / uL with 86% polymorphonuclear cells. Chest x-ray: alveolar infiltrate on the left base with air bronchogram. On suspicion of pneumonia, pneumococcal Ag is made in urine, which is positive and sputum culture is sent to the Microbiology service. Which empirical antibiotic treatment of the indicated ones is more correct in expectation of microbiological results? 
 Options:  <1> Ceftazidime <2> Clarithromycin <3> Azithromycin <4> Ceftriaxone <5> Doxycycline
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