1. Fever (temp >37.8 0 C) 2. Production of purulent sputum 3. Cough 4. Leucocytosis (WBC count >10000/ cumm) 1 The etiological agents of CAP are different in different countries. It varies with time and geographical distribution within the same country. Streptococcus pneumoniae is the most common etiological agent in United Kingdom, Europe, United States of America and Iraq. In India S. pneumon...
