Chapter 7 Heavy and critical clinical warning indicators

(A) Adults

1. Progressive decline in peripheral blood lymphocytes;
2. Peripheral blood inflammatory factors such as IL-6 and C-reactive protein are progressively increased;
3. Progressive increase in lactic acid;
4. Lesions in the lungs progress rapidly in the short term.

(B) Children

1. Faster breathing rate;
2. Poor mental response and drowsiness;
3. Progressive increase in lactic acid;
4. Imaging shows bilateral or multilobe infiltration, pleural effusion, or short-term lesions rapid progress.
5. Infants under 3 months of age may have underlying diseases (congenital heart disease, bronchopulmonary dysplasia, respiratory malformations, abnormal hemoglobin, severe malnutrition, etc.), have immunodeficiency or low levels (long-term use of immunosuppressants).