CST3 and susceptibility to pneumonia measurement: Additionally, Lu's article focuses on the association between prenatal and perinatal exposure to industrial air pollutants and childhood pneumonia, exploring potential mechanisms through blood biomarkers (35).Our prognostic model supports diagnosis, treatment, and early intervention, covering a broader range of indicators such as inflammatory markers (WBC, neutrophils), metabolic indicators (blood glucose, total cholesterol, urea), and organ function indicators (cystatin C, lactic acid).