Early Identification and Severity Prediction of Acute Respiratory Infectious Disease

Inclusion Criteria

• •1. Patients aged between 18 and 80 years old
• •2. No limits in gender
• •3. Patients who are newly present with cough, sputum, or exacerbated with pyogenic sputum, with or without chest pain within 2 weeks;
• •4. Patients who meet at least one of the following 4 requirements:
• •1. fever;
• •2. Sign of pulmonary consolidation or wet wales
• •3. WBC\>10×10\^9/L or \<4×10\^9/L;
• •4. patchy, infiltrating shadows or interstitial changes, with or without pleural effusion on chest radiological examination.