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A staff checks the nucleic acid test kit at the plant of Luoyang Ascend Biotechnology Co., Ltd in Luoyang, central China's Henan Province, March 4, 2020. (Xinhua/Li Jianan)
Portraits: females working at their posts to contribute to fight against COVID-19
Source: Xinhua| 2020-03-07 22:04:20|Editor: ZD
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