OBJECTIVE To evaluate the capacity of laboratories which participate in the proficiency testing of antigen content in-actived COVID-19 vaccines.METHODS Samples of inactived COVID-19 vaccines for proficiency testing were tested for uniformity and stability,and was distributed together with reference and test kits to participating laboratories by cold chain transportation.Three indexes were evaluated:differential test,antigen content detection and laboratory variation.RESULTS The uniformity and stability of the proficiency test samples met the requirements.A total of 14 laboratories participated in this proficiency test and reported the re-sults as required,and the assessment results of three indicators by each laboratory all satisfactory.CONCLUSION China's provin-cial drug testing institutions and inactivated vaccine manufacturers participating in this proficiency test have good detection capabilities and quality control levels for inactived COVID-19 vaccines.
维普
万方数据