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OBJECTIVE To evaluate the capacity of laboratories which participate in the proficiency testing of antigen content inactived 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 results as required, and the assessment results of three indicators by each laboratory all satisfactory. CONCLUSION China's provincial 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.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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