Starting around December 2019, an epidemic of pneumonia, which was named COVID-19 by the World Health Organization, broke out in Wuhan, China, and is spreading throughout the world. A new coronavirus, named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by the Coronavirus Study Group of the International Committee on Taxonomy of Viruses was soon found to be the cause. At present, the sensitivity of clinical nucleic acid detection is limited, and it is still unclear whether it is related to genetic variation. In this

The frequency of CD4(+)CD25(high) T-reg in peripheral blood in AML patients is significantly higher when compared with healthy individuals, likely due to the increasing proliferation of CD4(+)CD25(high) T cells.

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