Objective To determine the bacterial endotoxin content in 13-valent pneumococcal conjugate vaccine by bacterial endotoxin test(kinetic turbidimetric assay) and verify the method. Methods Bacterial endotoxin test, i. e.kinetic turbidimetric assay included in Chinese Pharmacopoeia(Volume III, 2010 edition) was used for determination of bacterial endotoxin content in raw and auxiliary materials, intermediate product, bulk, and final product of pneumococcal conjugate vaccine, and verified for feasibility and ac...